Marvin Nash and the Chevelles were from Harlingen, Texas, a city of about 65,000 in the lower Rio Grande Valley of South Texas about 30 miles inland from the Gulf Of Mexico. The group consisted of Marvin Nash and George Garrido Jr and two girls. George passed away earlier this year but cannot find any biographical information on Marvin Nash. I also noticed on the original Pharoah label out of Mc Allen, Texas (near the Mexico border) "Dina" is the A side, yet on my personal copy on the Cleveland,Ohio area Courier label, "Dina" is the B side to "Happiness" another fine tune. This is from 1963 although my copy on Courier was issued a year later.