Complex sentence: Max was the subject matter of an Italian TV Documentary-- "Girl with the Guitar" & toured Europe with two different theatre companies when she was only 19, released her first record soon after then spent a year fronting a Japanese rock band in Hiroshima.
Split into simpler sentences: Max was the subject matter of an Italian TV Documentary-- "Girl with the Guitar". Shortly after that, she released her first record and later spent a year fronting a Japanese rock band in Hiroshima.