After working for the country music group "Folk Trekkers" (フォーク・トレッカーズ, "Fōku torekkāzu"), he formed the group "Village Singers." In 1973, after the dissolution of the band, Komatsu formed "Shigeki Torizuka & Hotcake" with former The Wild Ones member Shigeki Torizuka. After that, he became a music director for Yasuko Naitō, the TUBE, and the ZARD. In 2002, he reunited with members of "Village Singers" and is still active to this day.