Conversation so far:
What was the first instrument Jimi Hendrix learned to play?
In 1957, while helping his father with a side-job, Jimi Hendrix found a ukulele amongst the garbage they were removing from an older woman's home.
Did Jimi Hendrix teach himself to play the ukulele?
She told him that he could keep the ukulele, which had only one string. Learning by ear, Jimi Hendrix played single notes, following along to Elvis Presley songs.
What was the next instrument Jimi Hendrix learned to play after the ukulele?
In mid-1958, at age 15, Jimi Hendrix acquired his first acoustic guitar, for $5, equivalent to $43.40 in 2018.
Did Jimi Hendrix teach himself to play the guitar too after the ukulele?
Jimi Hendrix played for hours daily, watching others and learning from more experienced guitarists, and listening to blues artists such as Muddy Waters, B.B. King, Howlin' Wolf, and Robert Johnson.
Did Jimi Hendrix ever get any guitar lessons?
In 1959, attending a concert by Hank Ballard & the Midnighters in Seattle, Jimi Hendrix met the group's guitarist Billy Davis. Davis showed him some guitar licks.
When did Jimi Hendrix get his first electric guitar?
In mid-1959, Jimi Hendrix's father relented and bought him a white Supro Ozark.
Did Jimi Hendrix ever play any other instruments besides ukulele and guitar?

Question: When did he first start playing for the public?
Self-contained rewrite: When did Jimi Hendrix first start playing for the public?