Michael Zab has 23 Nanci Griffith concerts.

Nanci Griffith (born Nanci Caroline Griffith in Seguin, TX, on 6 July 1953; died 13 August 2021) was an American singer, guitarist, and songwriter who was raised in Austin, TX, and later resided in Nashville, TN. Her career spanned a variety of musical genres, predominantly country and folk, and what she terms "folkabilly." She won a 1994 Grammy Award for Best Contemporary Folk Album for Other Voices, Other Rooms, an album of Griffith covering the songs of artists who influenced her.