Original sentence: He had an upright piano in their front room that he had bought from Harry (father of Brian) Epstein's store in Everton.Jim McCartney gave his son a trumpet (after the death of his wife Mary) which Paul abandoned when he learned it would put a callus on his upper lip
Edited sentence: Both McCartney and Lennon found some solace from their grief in each other's music.Jim McCartney had an upright piano in the front room that he had bought from Harry (father of Brian) Epstein's store in Everton.The elder McCartney gave his son a trumpet after the death of Mary, which was largely abandoned when he learned it would put a callus on his upper lip — and after he realized that it is impossible to sing and play a trumpet at the same time