Pianist and singer Fats Waller (1904-1943) was able to popularize simple songs because of his enthusiastic performances. His piano technique was phenomenal and his influence on other pianists was huge. His cheerful songs sounded daily on the radio and were recorded over 400 times. A selection from these songs that were released in the second half of the thirties.
Sources:
F.W. at his Finest (Parade CD 2003)
F.W. Lounging at the Waldorf (Saville 213)
F.W. The Best of … (RCA 88697301292)