Yusuf Islam (born Steven Demetre Georgiou, ), commonly known by his former stage name Cat Stevens, is a British singer-songwriter, multi-instrumentalist, humanitarian, and education philanthropist. His 1967 debut album reached the top 10 in the UK, and the album's title song "Matthew and Son" charted at number 2 on the UK Singles Chart. His albums Tea for the Tillerman (1970) and Teaser and the Firecat (1971) were both certified triple platinum in the US by the RIAA. His musical style consists of folk, pop, rock, and Islamic music.