New Jersey singer and producer Joel Katz has had a lifelong love affair with the vocal group harmonies of the doo wop era, and has tirelessly promoted the genre as well as bringing his own high, clear tenor to bear on a series of contemporary recordings that carry on the tradition, often under the name Joel & the Dymensions (he has also sung lead with a number of other groups, including the Del-Satins, the Autumns, the Wizards, and the Platinums). Katz started his singing career while he was still in high school, forming his first group, Joel & the Conchords, when he was just ...