Before diving into the completion of the required metadata, Winamp believes it’s beneficial to briefly review the definitions of the various required fields.

Artist: The name(s) of the principal artist(s) or band(s) who participate in the release

Songwriter: Someone who participated in writing the lyrics and creating a musical work.

Contributor: An individual that plays part in the creation, development, support,.. of an artist's work. 

Note that these principles cover a wide range of possibilities. Below is a brief description for each category, as shown in the dropdown menu (Artist, Songwriter, Contributor). 

Artist roles explained 

• Main: The name(s) of the principal artist(s) or band(s) who participate in the release.
• Featured: The artists who accompany the primary artist in the release.
• With: This role has the same value as featuring artist role but is specific for Classical Music.

Songwriter roles explained 

• Composer: Any person who participates in the writing on the music of a song. 
• Author: The creator of a musical, literary, dramatic, audiovisual or choreographic work.
• Editor: The Person who prepares, revises & polishes musical works for publication/performance.

Contributor roles Explained

• Producer: This is the person that manages the sound recording. Frequently can be the person who leads to achieving the main concept for the production.

• Arranger: The person who has modified an original song. If their role is developed on a third-party’s composition, the track will be considered as a substantial modification of original work, for which explicit documental permission must be obtained

• Mixing Engineer: Person responsible for a part of the song creation process that balances the sound elements and optimizes playback on all systems and media formats.

• Orchestra: The ensemble that participates in the recordings and/or performances (i.e.: London Symphonic Orchestra). This role should be used only in releases with Classical Music.

• Mixer: Person responsible for a part of the song creation process that optimizes and combines multitrack recordings into a final mono, stereo, or surround product.

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