When John Coltrane finished high school in 1943, the 17 year old moved from North Carolina to Philadelphia, joining his mother, Alice, who worked as a domestic. Soon after his arrival, she bought him an alto sax. In the small apartment on 12th Street, he began a life of intense practice. Coltrane’s talents grew in the city’s vibrant jazz scene in the 1940s. Young Coltrane took theory classes at a local music school, and then went to night school in the clubs, with professors of jazz like Dizzy Gillespie, R&B sax man Earl Bostic, and alto player Johnny Hodges.