[1] Now, Vol. 15 (Has current hits from various artists)
"Now"[2] Forrest Gump [Original Soundtrack] (Has various artists across album)
"Forrest Gump"[3] Planet of the Apes [Score] (Danny Elfman does the Score)
"Planet of the Apes" (with 'Artist' as "Danny Elfman"[4] Les Miserables [Original London Cast] (I have other Cast versions too i.e. Broadway)
"Not sure on this one "[5] Into the Woods [2002 Revival Cast] (Cast is year specific)
"Into the Woods"[6] Go Simpsonic with the Simpsons [TV Soundtrack] (Release as an album from the TV series)
"The Simpsons"[7] American Idol Season 4: The Showstoppers [TV Soundtrack]
"American Idol"[8] Smallville Season 1: Episode 01 [TV Soundtrack] (my compilation of songs from a tv episode)
"Smallville"[9] My Chillin' 80's Tunes [Compilation] (my own compilation of songs)
"<myname>"May be a little inconsistent but works nicely for me
Basically, if it's a soundtrack, I put the album artist as whatever it's a soundtrack for, e.g. shrek, simpsons. The album title is then something like "Shrek 2 soundtrack" and "Go Simpsonic with the Simpsons" respectively.