TR Quartet

Tonic Roots is a musical group based in Sheboygan, Wisconsin, formed in 2018. The band features Ann Berchem on vocals and keys, Jeff Kolar on guitar and vocals, Adam DeSombre on bass, and Paul Massey on percussion. They perform in duo, trio, and quartet configurations across Wisconsin and the surrounding region. The group plays a blend of soulful blues, jazz, acoustic rock, reinvented classic covers, and original material. Their repertoire includes interpretations of artists ranging from Etta James, Billie Holiday, and Susan Tedeschi to Norah Jones, Peter Gabriel, and Led Zeppelin. Tonic Roots performs regularly at festivals, wineries, distilleries, pubs, corporate functions, private gatherings, and community events.