The Brother Brothers and Oliver the Crow at One Longfellow Square. The Brother Brothers is the twin brother duo of Adam and David Moss. Adam loves and plays in the Klezmer, Bluegrass, Old-time and swing traditions which lends itself to a very unique and innovative style in performance setting. David Moss began his musical journey playing cello and singing in various formats from a very young age. Kaitlyn Raitz (cello, vocals) and Ben Plotnick (fiddle, vocals) have been making folk music for the majority of their lives. Though they’ve only started playing Folk, Bluegrass, Appalachian and Stringband music together this past year, they have a combined musical resume that speaks to a lifetime of dedication to these styles and more. 8-11pm. $10 advance – $12 day of. FMI: onelongfellowsquare.com.