Uhm... wow, that's pretty hard. Let's see
Summer: BLUE BIRD, fairyland, July 1st (
), Fly high, Boys&Girls (the happy songs)
Spring: Beautiful Fighters, Born To Be.., evolution (the other songs....)
Autumn: talkin' 2 myself, Because of you, 1 LOVE, dLma (the rock songs)
Winter: CAROLS, JEWEL, No way to say, momentum, Marionette, Together When..., Moments (the ballads)
of course I have more, but I'm not gonna post them all.