Because of the Bleach episode finale yesterday, I managed to post one of the Bleach OPs. And this is the song that influenced me to watch the series.
Ichirin no Hana 「一輪の花」 (lit. A single flower)
from Ichirin no Hana (Bleach OP3 Single)
Performed by: HIGH and MIGHTY COLOR
Lyrics, Music Composition & Arrangement: HIGH and MIGHTY COLOR (full lyrics)