Question: Who was the lead singer of the band Roger O'Donnell has performed with that was founded in London in February 1977?
Sentence (from "When I Need You"): Leo Sayer's version, produced by Richard Perry, was a massive hit worldwide, reaching number 1 on the UK Singles Chart for three weeks in February 1977 after three of his earlier singles had stalled at number 2.
Relevant evidence: No