 Geneon Entertainment has released three original soundtracks encompassing the songs , with the soundtracks titled , and FLCL No. 3 The remaining music was written by Shinkichi Mitsumune . Most of the music is by Japanese rock group The Pillows . The rest is by composer Shinkichi Mitsumune . The first soundtrack titled , FLCL No.1 : Addict ( <unk> <unk> ) , contains tracks featured in the first three episodes of FLCL . The soundtrack was released on October 4 , 2000 in Japan and January 20 , 2004 in the US . The second soundtrack , titled FLCL No.2 : King of Pirates ( <unk> <unk> , Furi Kuri No.2 <unk> @-@ ō ) , contains tracks featured in the last three episodes of FLCL . The soundtrack was released in July 25 , 2001 Japan and September 7 , 2004 in the US . This volume features several audio dramas , with the cast of FLCL playing the various parts . Due to the dramas included , this album acts as a sequel of sorts to the anime . The third soundtrack , titled FLCL No.3 ( <unk> ) , is a compilation of the first two soundtracks featuring only music by the Japanese rock group The Pillows . The released on June 8 , 2005 and June 7 , 2005 in the US . Unlike the previous two soundtracks , the songs are the original vocal versions from the band 's LPs . 
