Barry & Shelley Phillips. The American tradition of shape note singing has produced an incomparable treasury of music—deeply rooted in the folk tradition, imbued with the fervent spirit of faith and fellowship. Instrumental arrangements from the shape note tradition: selections from the Sacred Harp (shape note "songster" or songbook), on exquisite combinations of cello, harp, flute, oboe, fiddle, guitar, dulcimers, banjo and more.