"""Track Roles."""


SUPPORTED_ARTIST_ROLES = (
    'performer', 'featuring', 'remixer',
    'composer', 'orchestra', 'ensemble', 'conductor',
    'producer', 'feature_to_primary')

ARTISTS = (
    'alto',
    'arranger',
    'bandoneon',
    'baritone',
    'bass',
    'bass guitar',
    'bassoon',
    'cello',
    'choir',
    'chorus',
    'clarinet',
    'composer',
    'conductor',
    'director',
    'drums',
    'engineer',
    'ensemble',
    'featuring',
    'feature_to_primary',
    'flute',
    'french horn',
    'guitar',
    'harp',
    'harpsichord',
    'horn',
    'keyboards',
    'lyricist',
    'mezzo soprano',
    'natural horn',
    'oboe',
    'orchestra',
    'organ',
    'percussion',
    'performer',
    'piano',
    'producer',
    'recorder',
    'remixer',
    'soloist',
    'soprano',
    'string bass',
    'tenor',
    'timpani drum',
    'traverso',
    'trombone',
    'trumpet',
    'tuba',
    'viola',
    'violin',
    'violoncello',
    'vocals'
)

PUBLISHERS = ('publisher',)

WRITERS = ('writer',)