Information for Soul Train at Broadway Theatre, Letchworth (Concert). Harking back to the wonderful days when the dance floor was king, the show features a fun presentation of 60s and 70s soul classics. From the early days of Tamla Motown, Stax and Atlantic records though to the disco years and beyond. Dig out those flares! Featured in a fun, feel good production are classic hit songs by – Stevie Wonder, Isley Brothers, Supremes, Gladys Knight, Marvin Gaye, Aretha Franklin, Donna Summer, Candi Staton, Whitney Houston and many more great artists that still keep us singing and dancing.