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HTML 

              
                <div class="container">
    <div class="buff-jambox">
        <div class="jambox">
            <div class="speaker top-left"></div>
            <div class="speaker top-right"></div>
            <div class="speaker bottom-left"></div>
            <div class="speaker bottom-right"></div>
        </div>
        <div class="arms">
            <div class="arm left-arm">
                <div class="bicep left-bicep"></div>
                <div class="forearm left-forearm"></div>
            </div>
            <div class="arm right-arm">
                <div class="bicep right-bicep"></div>
                <div class="forearm right-forearm"></div>
            </div>
        </div>
    </div>
    <div class="tracks">
        <h2 class="title">Tracks</h2>
        <a class="track" title="Jawbreaker - Do You Still Hate Me?" data-genre="rock" data-track="https://s3-us-west-2.amazonaws.com/s.cdpn.io/59639/rock.m4a"></a>
        <a class="track" title="Judas Priest - Painkiller" data-genre="metal" data-track="https://s3-us-west-2.amazonaws.com/s.cdpn.io/59639/metal.m4a"></a>
        <a class="track" title="Stevie Wonder - For Once In My Life" data-genre="soul" data-track="https://s3-us-west-2.amazonaws.com/s.cdpn.io/59639/soul.m4a"></a>
    </div>
</div>
!

CSS 

              
                html,
body {
    height: 100%;
}

body {
    background: var(--sb-white);
    font-size: 16px;
    letter-spacing: .15em;
    text-transform: uppercase;
}

.container {
    height: 320px;
    margin: -160px auto 0;
    padding: 0;
    position: relative;
    top: 50%;
    width: 500px;
}

.tracks {
    height: 45px;
    padding: 30px 0;
    text-align: center;
    
    .title {
        margin-bottom: 5px;
        
        &:before,
        &:after {
            content: ' - '
        }
    }
    
    .track {
        background: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/59639/buff-jambox.png') no-repeat -360px -450px;
        cursor: pointer;
        display: inline-block;
        height: 65px;
        margin: 0 0 30px;
        width: 100px;
        transform: scale(.8);
        transition: transform .2s ease-out;
        
        &:nth-child(2) {
            background-position: -360px -525px;
        }
        
        &:nth-child(3) {
            background-position: -360px -600px;
        }
        
        &:hover {
            transform: scale(1);
        }
        
        &:active {
            transform: scale(.95);
            transition: none;
        }
    }
}

.buff-jambox {
    height: 229px;
    margin: 0 auto;
    position: relative;
    width: 342px;
    
    .jambox {
        background: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/59639/buff-jambox.png') no-repeat 0 0;
        height: 100%;
        left: 0;
        position: absolute;
        top: 0;
        width: 100%;
        z-index: 2;
    }
    
    .speaker {
        background-image: inherit;
        position: absolute;
        
        &.top-left {
            background-position: -360px 0;
            height: 47px;
            left: 8px;
            top: 44px;
            width: 47px;
        }

        &.top-right {
            background-position: -360px -70px;
            height: 47px;
            left: 280px;
            top: 43px;
            width: 47px;
        }

        &.bottom-left {
            background-position: -360px -140px;
            height: 108px;
            left: 8px;
            top: 102px;
            width: 108px;
        }

        &.bottom-right {
            background-position: -360px -270px;
            height: 107px;
            left: 221px;
            top: 102px;
            width: 107px;
        }
    }
    
    .arms {
        left: 5px;
        position: absolute;
        top: 80px;
        width: 325px;
        z-index: 1;
    }
    
    .arm {
        height: 87px;
        position: absolute;
        width: 120px;
        
        &.left-arm {
            right: 100%;
            animation: flex-left 1.5s ease-in-out 0s infinite alternate;
            transform-origin: 120px 71px;
        }
        
        &.right-arm {
            left: 100%;
            transform-origin: 0 71px;
            animation: flex-right 2s ease-in-out 0s infinite alternate;
        }
    }
    
    .bicep {
        background: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/59639/buff-jambox.png') no-repeat;
        height: 100%;
        left: 0;
        position: absolute;
        top: 0;
        width: 100%;
        z-index: 2;
        
        &.left-bicep {
            background-position: -475px -165px;
        }

        &.right-bicep {
            background-position: -600px -165px;
        }
    }
    
    .forearm {
        background: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/59639/buff-jambox.png') no-repeat;
        bottom: 22px;
        height: 161px;
        position: absolute;
        width: 106px;
        z-index: 1;
        
        &.left-forearm {
            background-position: -475px 0;
            left: 0;
            transform-origin: 0 100%;
            animation: flex-left 2s ease-in-out 0s infinite alternate;
        }
        
        &.right-forearm {
            background-position: -585px 0;
            right: 0;
            transform-origin: 100% 100%;
            animation: flex-right 1.5s ease-in-out 0s infinite alternate;
        }
    }
    
    &.playing {
        .jambox {
            background-position: 0 -462px;
        }
        
        .speaker {
            animation: bump-it .25s ease-in-out 0s infinite alternate;
        }
        
        .left-arm {
            animation: pump-left .25s ease-in-out 0s infinite alternate;
        }
        
        .right-arm {
            animation: pump-right .25s ease-in-out 0s infinite alternate;
        }
    }
    
    &[data-genre="metal"] {
        .left-arm,
        .right-arm {
            animation-duration: .15s;
        }
        
        .forearm.left-forearm {
            background-position: -695px 0;
        }
        
        .forearm.right-forearm {
            background-position: -805px 0;
            height: 301px;
            right: -23px;
            width: 470px;
        }
    }
    
    &[data-genre="rock"] {
        .bicep.left-bicep {
            background-position: -475px -260px;
        }
        
        .bicep.right-bicep {
            background-position: -600px -260px;
        }
    }
    
    &[data-genre="soul"] {
        .left-arm,
        .right-arm {
            animation-duration: .5s;
        }
        
        .bicep.left-bicep {
            background-position: -475px -350px;
            height: 97px;
            width: 123px;
        }
        
        .bicep.right-bicep {
            background-position: -602px -350px;
            height: 97px;
            width: 123px;
        }
        
        .forearm.left-forearm {
            background-position: -745px -305px;
            bottom: 18px;
            height: 170px;
            left: -2px;
            width: 142px;
        }
        
        .forearm.right-forearm {
            background-position: -905px -305px;
            bottom: 19px;
            height: 165px;
            right: -4px;
            width: 112px;
        }
    }
}

@keyframes bump-it {
    0% { 
        transform: scale(1); 
    }
    100% { 
        transform: scale(1.05); 
    }
}

@keyframes flex-left {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(4deg);
    }
}

@keyframes flex-right {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(-5deg);
    }
}

@keyframes pump-left {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(15deg);
    }
}

@keyframes pump-right {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(-15deg);
    }
}
!

JS 

              
                var $jambox = $('.buff-jambox');
var $tracks = $('.track');
var audio = document.createElement('audio');

// player setup
audio.autoplay = false;
audio.loop = true;
audio.preload = 'auto';
audio.volume = 0;

// track click
$tracks.on('click', function(e) {
    e.preventDefault();

    var $target = $(e.currentTarget);
    var data = $target.data();
    
    if ($jambox.attr('data-genre') === data.genre) {
        pauseTrack();
        return;
    }

    audio.src = data.track;
    playTrack();

    $jambox.attr('data-genre', data.genre);
});

// stop music
$jambox.on('click', function(e) {
    e.preventDefault();

    if (audio.src) {
        audio.paused ? playTrack() : pauseTrack();
    }
});

// play
function playTrack() {
    audio.play();

    $jambox.addClass('playing');
    $(audio).animate({
        volume: 0.5
    }, 1000);
};

// pause
function pauseTrack() {
    audio.pause();
    audio.volume = 0;
    $jambox.removeClass('playing').attr('data-genre', '');
};
!
999px

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