Well here's my list
#1 - SATOMI' [Yesterday/Black Coffee/It's Over/Boyfriend]
#2 - Miliyah Kato [Sotsugyou/Eyes on you/Trouble/My Sorrow]
#3 - DOUBLE [Driving all night/Party Time/ROCK THE PARTY/Shake]
#4 - HI-D [Got 2 Go/Don't Stop/Kimi no Kioku/To da new area]
#5 - Crystal Kay [Girl's Night/Together/fly to you/Motherland]
#6 - ARIA/Asuka [Fallin'/Don't you/Me and my girlfriend/Tokyo]
#7 - Asami [Strong Women/If you feel me?/Answer me/No No No]
#8 - YU.KI.KO [I Got Game/Only Love]
#9 - Namie Amuro [Baby don't cry/White Light/No pt.2/Girl Talk]
#10 - Ryohei Yamamoto [Take Over/Set Free/Speedway/Game we played]
#11 - AI [Sunshine/Mirai/Sha la la/After the Rain]
#12 - Tiger [My Lady/Superwomen/Do Me/Orange]
#13 - michico [All your things/Can't live without you/bounce baby/thank you]
#14 - Rain [Oh yeah/Free way/Baby Baby/Without you]
#15 - MISIA [Escape/Destiny's Rule/Mekubase no blues/TYO]
#16 - SOULHEAD [Lover,Knight,Man/Fiesta/Yume no naka/Kokuhaku]
#17 - LISA [So Beautiful/Lonely/Promise/My Dearest]
#18 - MINMI [Another World/T.T.T/The Perfect Vision/Step]
#19 - m.c.A.T [Feelin' Good/One more try/Thunder Party]
#20 - Jamosa [Dream/So Addicted 247365/Be with U]
I'll stop there
