R&B and soul band from Edmondson Heights. Played teen centers and school dances. Seen at Mt. St. Joe’s. Members included Rob Strong (vocals), Bob Urban (guitar), John Deagan, Jim Groszer (bass), Tom Groszer (keyboards), Bob Groszer (keyboards)…. Represented by Fred Tyler’s booking agency.

The Groszer’s went on to form their own Groszer Brothers band and were individually active with many local and national groups. Urban was later with Norrod Flynt…

Rob Strong & the Dynamics brass section at a Howard High School dance – 1968
Rob Strong & the Dynamics at Severna Park High School – November 2, 1968
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Dynamics, The, featuring Delores Lynn

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