Patrick Campbell-Lyons is an Irish musician. He performed in several bands in the West London music scene during the early 1960s, such as the R&B band Second Thoughts. Campbell-Lyons teamed up with Greek composer Alex Spyropoulos and formed psychedelic pop, baroque pop, and progressive rock band Nirvana in 1965. After Nirvana’s disbandment in 1971, he worked as an A&R executive and producer, as a solo artist with two albums, and as an author.