 Ennis left in 1938, and Bob Allen became the band's featured singer.With the rising popularity of swing bands such as those of Benny Goodman and Tommy Dorsey, the popularity of Kemp's orchestra declined and there were many changes in band membership, though they continued to make film appearances.Hal Kemp died in Madera, California in 1940, aged 36, following a road accident while driving from Los Angeles to a performance in San Francisco in foggy conditions.