Jeff Rolka

2 old videos with fewer than 5,000 views from this channel.

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• 1:11:30 Office Hours - Live Q & A with Jeff Rolka #41

  Jeff Rolka

  263 views · 28 January 2017

• 15:58 Singing Warm Up - Gentle and Balanced - Bass Baritone

  Jeff Rolka

  3,642 views · 31 March 2018