Following a highly successful small-group jazz concert at New York Town Hall on May 17, 1947, featuring Armstrong with trombonist/singer Jack Teagarden, Armstrong's manager Joe Glaser dissolved the Armstrong big band on August 13, 1947 and established a six-piece small group featuring Armstrong with (initially) Teagarden, Earl Hines and other top swing and dixieland musicians, most of them ex-big band leaders. The new group was announced at th...