How? is a song from the album that was released after which first solo Lennon release?
Imagine (John Lennon album): Imagine is the second studio album by John Lennon. Imagine (John Lennon album):  Recorded and released in 1971, the album is more heavily produced in contrast to the basic, raw arrangements of his previous album, the critically acclaimed "John Lennon/Plastic Ono Band".
i don't know