P-Model made a demo in 1979 to obtain a recording contract; it features 2 songs, each one being composed by Susumu Hirasawa and Yasumi Tanaka, P-Model's main songwriters at the time. The band negotiated with 8 record labels, in the end, they chose to sign a contract with Warner-Pioneer, all P-MODEL releases from 1979 to 1981 (3 albums and 3 singles) were handled by Warner-Pioneer, including IN A MODEL ROOM, the album where both of these songs were included.