Little information was found for the Triangles groups. Along with some info on Lucy Duran, I have only heard ‘My Oh My.’
Triangles (Herald Group) – Savin’ My Love/ ‘Tis A Pity, ’60 (Herald 549)
Triangles (NY Label) – Dance The Magoo/ Step Up And Go, ’62 (Fargo 1023)
Triangles (Hollywood Label) – My Oh My/ Really I Do, ’64 (Fifo 107) (ref Lucy Duran of Rosie and Ron (w Velveteens) on Donna 1338.)