What makes Smilin' by Rockapella notable?

'Smilin'' features a mix of original songs and beloved covers, contributing to Rockapella's reputation for revitalizing classic tunes with fresh arrangements. The album was well-received, further solidifying their place in the a cappella scene and demonstrating the enduring appeal of vocal harmony groups during the early 2000s. Released in 2002, 'Smilin'' is Rockapella's ninth studio album, showcasing their continued evolution in a cappella music following their rise to fame through the television show 'Where in the World Is Carmen Sandiego?'. By this point in their career, they had established themselves as prominent figures in the genre, utilizing rich vocal arrangements to create a unique sound that appealed to both longtime fans and new listeners.