John Lennon people attended the "John Sinclair Freedom Rally", a protest and benefit concert with contributions from Lennon, Stevie Wonder, Bob Seger, Bobby Seale of the Black Panther Party, and others. Lennon and Ono, backed by David Peel and Rubin, performed an acoustic set of four songs from their forthcoming "Some Time in New York City" album including "John Sinclair", whose lyrics called for his release. The day before the rally, the Michigan Senate passed a bill that significantly reduced the penalties for possession of marijuana and four days later Sinclair was released on an appeal bond. The performance was recorded and
John Lennon songs from "Rock 'n' Roll" ("Stand by Me", which was not broadcast, and "Slippin' and Slidin'") followed by "Imagine". The band, known as Etc., wore masks behind their heads, a dig by Lennon, who thought Grade was two-faced. Sean was Lennon's only child with Ono. Sean was born on 9 October 1975 (Lennon's thirty-fifth birthday), and John took on the role of househusband. Lennon began what would be a five-year hiatus from the music industry, during which time he gave all his attention to his family. Within the month, he fulfilled his contractual obligation to EMI/Capitol for one more album