Complex sentence: Spry became their manager and secured a recording deal with RCA Records--they started recording their first single, "Tell Her That", in Sydney with producer-engineer David Mackay, it was a local hit in Melbourne.
Split into simpler sentences: Spry became their manager and secured a recording deal with RCA Records--they started recording in Sydney with producer-engineer David Mackay. Their first single "Tell Her That" was a local hit in Melbourne.