Complex sentence: Inspired by country guitarists like Chet Atkins, Breau used fingerstyle techniques not often used in jazz guitar, and with his use of the 7-string guitar and approach to the guitar like a piano, opened up possibilities for the instrument.
Split into simpler sentences: Inspired by country guitarists like Chet Atkins, Breau used fingerstyle techniques not often used in jazz guitar. With his use of the seven-string guitar and approaching the guitar like a piano, he opened up possibilities for the instrument.