Here's a look at the top record labels, their artists and their U.S. market share as of Oct. 9:
_ UNIVERSAL MUSIC GROUP: 35.12 percent market share in U.S.
Labels include: Geffen Records, Island Def Jam Music Group, Motown Records, Verve Music Group, Decca Music Group.
Artists include: Gwen Stefani, Elton John, Jimi Hendrix, Kanye West, Shania Twain.
_ SONY MUSIC ENTERTAINMENT INC.: 22.79 percent market share.
Labels include: Arista Records, Columbia Records, Jive Records, RCA Records.