Growing up in a musical family, Cathy Day began performing at age 10 with her parents and sister in the Rose City Bluegrass Band, which played numerous shows throughout the Northeast U.S. during the 1980s. As a teen, she arranged and taught the harmonies to her band, taught fiddle, bass, and Dobro, and won numerous contests on fiddle, mandolin, and guitar. While she could be found playing any instrument, her fiddling was and still is most often sought after for performances and studio work throughout New England. She was a member of the award winning all-girl band SassyGrass, and the New Hampshire-based band Marcy Hill. She is currently in the Bill Thibodeau Band, Cashel Rock (an Irish Band), The Cicadas (a contradance band) and often freelances with the Cornfed Dogs. She has a passion for passing on bluegrass music and gets the word out as a bluegrass DJ on WHUS 91.7FM in Storrs, CT, demonstrates to kids in the schools, plus still finds time teach in her spare time.