In the 1950s, even more diversity was added to the lineup when Lavada Durst introduced Austin to R&B and "Jive Talk" on KVET's nighttime Dr. Hepcat Show. Noche de Fiesta and Dr. Hepcat were phased out in the 1960s, but the Gospel Train was on the air on KVET for many years after.
The introduction of R&B and "Jive Talk" by Lavada Durst in the 1950s broadened the musical offerings on KVET's nighttime Dr. Hepcat Show, which was later phased out but the Gospel Train remained a part of the station for many years after.