Tonight I was pondering about the mysterious and explosive success of Benny Goodman and his orchestra, and therefore, the birth of the swing era. According to legend, Goodman's success only came until he reached the west coast on his ill-fated tour because his band didn't play on the Let's Dance programme until it was too late on the east coast (but was heard as early as 11 o'clock in California). However, I remember reading somewhere that the bands on the show actually alternated throughout the broadcast, thus Goodman's band was heard early enough on the east coast. Does anyone know exactly what went on there? and, do any "Let's Dance" shows still exist?