When supportive artists are invited to work on an album they are featured on the record. It is more like a description of what happened rather than a status. The lead artist is the one responsible for the creation of the album or at least developed the inital idea/concept for the album.
However artists can agree on different forms of attribution, like "...
The Police: Hungry for You (J'aurais Toujours Faim De Toi). Written mostly in French, apparently with the help of Trudie Styler, with whom Sting was having an affair at the time.
There are examples of Five-Step Waltzes danced to 5/4 time from the 19th century from about 1846. These are also known as "Valse à Cinq Temps". There are descriptions of some of theses at the Library of Dance. It's quite possible that Huxley might have heard of these.
Bill Wyman (Rolling Stones of course) - (Si Si) Je Suis un Rock Star (1981) - Has various parts in French, and looking at the quality of those parts it's very hard to believe Mr Wyman is fluent!
Je suis un rock star
Je avais un residence
Je habiter la
A la south of France
Partir with me?
And come and rester la
With me in France
In fact earlier ...
"(I've Had) The Time of My Life" is a 1987 song composed by Franke Previte, John DeNicola, and Donald Markowitz. It was recorded by Bill Medley and Jennifer Warnes, and used as the theme song for the 1987 film Dirty Dancing. The song has won a number of awards, including an Academy Award for Best Original Song, a Golden Globe Award ...
As requested by the OP and with due respect to @Brahadeesh for making me think of it....
In the 1990's, British band Kula Shaker had a number of hits that were written with a substantial part of the lyrics in Sanskrit. Apparently, frontman Crispian Mills was somewhat obsessed with Indian culture.
Two of their 1996 Top 10 hits were called "Tattva" and "...
No. First off, the term "Garage Band" is also associated with starting bands with low budges so having that as a genre would be confusing. Second is genre meant to show off what type of music the band/artist supplies.
There are many ways to group music like key, time signature, instrumentation which all show something, but trying to extend those to a genre ...
A musical genre is characterized by a particular style, form, or content, not by the means by which the music is produced. "Garage Band" is no more a genre than "studio recording" or "played by computer by Finale notation file" or "notated on paper" would be.