1. Takahiro Moriuchi, known professionally as Taka, is a Japanese singer and musician who is the lead vocalist of the Japanese rock band One Ok Rock.

1. Takahiro Moriuchi, known professionally as Taka, is a Japanese singer and musician who is the lead vocalist of the Japanese rock band One Ok Rock.
Takahiro Moriuchi was listed by Rock Sound magazine as one of "50 Most Influential Figures in Rock".
Takahiro Moriuchi has two younger brothers named Tomohiro Moriuchi who works at TV Tokyo, and Hiroki Moriuchi who is the lead singer of the band My First Story.
Takahiro Moriuchi attended Keio Elementary School and graduated in March 2001, then continued his studies at Keio Middle School in April 2001.
Takahiro Moriuchi joined soccer club in his first year of middle school.
Takahiro Moriuchi then dropped out to pursue his musical career, which his parents opposed knowing how hard it can be to become successful.
Takahiro Moriuchi joined as a trainee in the group called Johnny's Junior and made some singing appearances on Japanese music shows during this period.
Takahiro Moriuchi was briefly in the cover band Chivalry of Music in 2004, comprising a keyboardist, guitarist, and himself on vocals.
In February 2015, Takahiro Moriuchi was featured as a guest vocalist on the track "Dreaming Alone" by Against the Current.
In July 2017, Takahiro Moriuchi was featured on the track "Don't Let Me Go" from Goldfinger's album The Knife as a guest vocalist.
Takahiro Moriuchi has cited Chester Bennington from Linkin Park and Kellin Quinn from Sleeping With Sirens as his inspirations to switch from pop music to rock music.