Home Events Happy Birthday Ron ‘Pigpen’ McKernan: Grateful Dead Performing ‘In The Midnight Hour’ In 1967 Happy Birthday Ron ‘Pigpen’ McKernan: Grateful Dead Performing ‘In The Midnight Hour’ In 1967 planetsixstring September 9, 2017 comments off Tweet on Twitter Share on Facebook Google+ Pinterest Celebrate what would have late Grateful Dead frontman Ron ‘Pigpen’ McKernan’s birthday today with a standout performance from 1967.