use Musly\Musly;

$musly = new Musly();

$musly->initializeCollection();
$musly->analyze('/path/to/dir/or/track.mp3');

$similarTracks = $musly->getSimilarTracks('/path/to/track.mp3');

use Musly\Collection
use Musly\Exception\FileNotFoundException
use Musly\Exception\FileNotFoundInCollectionException
use Musly\Exception\MuslyProcessFailedException
use Musly\Musly;

$collection = new Collection([
    'pathname' => '/path/to/collection.musly',
    'similarityMethod' => Collection::SIMILARITY_METHOD_TIMBRE,
    'jukeboxPathname' => '/path/to/collection.jbox',
]);

// ... or
// $collection = new Collection('/path/to/collection.musly');
// $collection->setSimilarityMethod(Collection::SIMILARITY_METHOD_TIMBRE);
// $collection->setJukeboxPathname('/path/to/collection.jbox');

$musly = new Musly([ 'binary' => '/path/to/musly/binary' ]);

try {
    if (!$collection->isInitialized()) {
        $musly->initializeCollection($collection);
    }

    $musly->setCollection($collection);
    $musly->analyze('/path/to/dir/', 'mp3');
    $musly->analyze('/path/to/track.mp3');

    $similarTracks = $musly->getSimilarTracks('/path/to/track.mp3', 20);
    $collectionTracks = $musly->getAllTracks();
}
catch (FileNotFoundException | FileNotFoundInCollectionException $e) {
    // handle exception
}
catch (MuslyProcessFailedException $e) {
    // handle exception
}