Complex sentence: In the second year of the band, Harmonicist, Jeff Baker would replace the current Bob Adam's and with the band accepting engagements away from the Black Swan all four members would take a round as lead vocalist with Cash Wall remaining the vocal strength.
Split into simpler sentences: In the second year of the band, Harmonicist Jeff Baker would replace the current Bob Adam's. The band decided to accept engagements away from the Black Swan Tavern with all four members taking a round as lead vocalist with Cash Wall remaining the vocal strength.