Complex sentence: Crooked Still is best classified as "Americana" or "unconventional folk", but some may classify as alternative bluegrass band consisting of vocalist Aoife O'Donovan, banjo player Dr. Gregory Liszt, bassist Corey DiMario, cellist Tristan Clarridge and fiddler Brittany Haas.
Split into simpler sentences: Crooked Still is best classified as "Americana" or "unconventional folk", but some may classify it as alternative bluegrass. The band consists of vocalist Aoife O'Donovan, banjo player Dr. Gregory Liszt, bassist Corey DiMario, cellist Tristan Clarridge and fiddler Brittany Haas.