He released six albums between 1970 and 1975. In the 1970s, he released 16 singles, three of which became hits: "It Must Be Love" (No. 14, 1971) (later covered by and a No. 4 hit for Madness, for which Siffre himself appeared in the video); "Crying Laughing Loving Lying" (No. 11, 1972); and "Watch Me" (No. 29, 1972). In 1978, Siffre took part in the UK heats of the Eurovision Song Contest. He performed his own composition "Solid Love", which placed fifth of the twelve songs up for consideration at the A Song for Europe contest. Additionally, he co-wrote the song "We Got It Bad" performed by Bob James, which came tenth.