The collection typically spans seven CDs and includes , many of which are rare alternate takes. These recordings mark Armstrong's return to the U.S. after years in Europe, a time when he was without a band or a manager. 80 Years of Louis Armstrong on Decca!
. Often overshadowed by his early Hot Fives and Sevens recordings, this period found Armstrong healthy, hearty, and entering his "vocalist" prime after a significant layoff due to lip problems. The complete studio recordings from this era, most notably curated by Mosaic Records The collection typically spans seven CDs and includes
: A recurring theme in the liner notes by Dan Morgenstern is Armstrong’s ability to "convert garbage into gemstones," elevating even novelty songs and corny love ballads with his unparalleled technique and phrasing. The Big Band Era 80 Years of Louis Armstrong on Decca