Jim Cullum, Sr., a clarinet player who had previously played professionally with Jack Teagarden, Jimmy Dorsey, Adrian Rollini, and other musicians in the 1930s, 40s, founded a traditional jazz band in San Antonio, Texas, with his son, Jim Cullum, Jr., on cornet. This group was called the Happy Jazz Band. The Jim Cullum Jazz Band was formed in 1973 after the death of the senior Cullum. from http://www.oac.cdlib.org Clarinetist Jim Cullum Sr.’s Happy Jazz Band recorded several rewarding albums for their own Audiophile and Happy Jazz labels in the 1960s. In 1965, the “San Antonio”-based band featured Jim Cullum Jr. as leader, along with trombonist Gene McKinney and a fine four-piece tuba/banjo rhythm section. Cullum Jr. would improve his power and range over the next few decades, but he was already a great cornetist. On Dixieland songs like “Fidgety Feet,” and “Milenberg Joys”, the group lives up to its reputation. Allmusic