not obscure prog but: Traffic.
not Steve Winwood the wimp and beer commercial guy, but when he was at the height of his powers as singer, guitarist and keyboard player.
and Ayeka have you listened to the Michael Schenker Group Unforgiven World Tour CDs? To my knowledge the last tour he has been able to complete without meltdown, even though he had to replace the singer halfway through. A great cross-section of the best of his career.