src/Service/TrackService.php
public function getCorrection(string $artist, string $track): ?Song
    {
        $response = $this->client->unsignedCall('track.getCorrection', [
            'artist' => $artist,
            'track'  => $track,
        ]);

        if (!isset($response['corrections']['correction']['track'])) {
            return null;
        }

        return Song::fromApi($response['corrections']['correction']['track']);
    }
public function getCorrection(string $artist, string $track): ?Song
    {
        $response = $this->client->unsignedCall('track.getCorrection', [
            'artist' => $artist,
            'track'  => $track,
        ]);

        if (!isset($response['corrections']['correction']['track'])) {
            return null;
        }

        return Song::fromApi($response['corrections']['correction']['track']);
    }
{@inheritdoc}