Catch Bull at Four is the sixth studio album by Cat Stevens. The title is taken from one of the Ten Bulls of Zen. In the United States the album spent three weeks at number one on the Billboard 200, the highest an album by Stevens has reached. It also reached number one in Australia and Canada and became Stevens's second consecutive album to reach number two on the UK Albums Chart. The song "Sitting" was released as a single in July 1972, reaching 16 on the Billboard Hot 100. No. 1 on the Billboard 200 for 3 weeks, from the issue of November 18, 1972. Wiki link