The A-side "Rain Is Fallin'" features a vocal collaboration with hip-hop duo Home Grown. The B-side "Hybrid Dream" was used as the theme song for the drama "Tempo".
- "Rain Is Fallin'" reached number 3 on the Oricon weekly charts. The single was released on FLIGHT MASTER. It is an R&B and dance-pop single.
- The single was released on May 13, 2009. The group were at this point trying to break into the international market. The single was a commercial success in Japan.
- The music video for "Rain Is Fallin'" was directed by Takuya Tada. The single was released in two different formats, with different B-sides. This release followed their 2008 album "10".
W-inds. are a Japanese pop boy band formed in 2001. They are known for their R&B and dance-pop sound. They released this single in 2009.
Tracklist
