"Just beautiful tone." Gillian Welch 2016.
His musicality and versatility keep him in demand as a soloist and side man touring throughout the world. Isaac has performed and taught at The Festival of American Fiddle Tunes, The Port Fairy Folk Festival, The Australian National Folk Festival, The International Bluegrass Music Association Festival, The National Old-Time Fiddlers Contest in Weiser, Idaho, The Grand Masters Fiddle Contest in Nashville, TN, Irish (RTE), Australian (ABC), Canadian (CBC), and US (NPR) National Radio. In 2002 his album "Here Comes the Rain" with fellow student Jesse Jones was runner up for Roots Album of the year from Just Plain Folks and the same year his band Blue Pass was featured on Garrison Keilor's "A Prairie Home Companion".
"Some of the best fiddling I've heard." Peter Rowan 2016
Isaac's current endeavors include playing with several duos, trios, and bands throughout North America and Europe, teaching at camps and workshops, building and repairing instruments, publishing tune books, and recording.