The Bonnie Birch Bavarian Quartet has been performing together for 25 years. Bonnie Birch, a virtuoso accordionist in the Northwest who plays many styles of music including Oktoberfest music, is joined by Nick Heiting (guitar, vocals) born in Munich, Germany who speaks and sings in fluent German, Paul Ostler (tubab) a superb musician with a background of 20 years performing in the Navy band all over the world, and a drummer.