CONCERT NEWS | What's on, what's off

Life without Tiffany: Pop vocalist Tiffany, who was to sing next Thursday at Nick's Fat City in Pittsburgh, won't be there after all. The show is canceled and there's no word on rescheduling it. Refunds are available at point of purchase.
Really singin' the blues: That "Blues on Tour" concert on April 25 in Cleveland, featuring Alvin Youngblood Hart and regional blues legend Robert Lockwood Jr., also has been called off. Return to point of purchase for refunds.
Tickets on sale today: A Perfect Circle and Burning Brides, May 5; Primus, 8 p.m. June 15; and The Moody Blues, June 16, all at Chevrolet Amphitheatre, Station Square, Pittsburgh; and 3 Doors Down, Nickelback and Puddle of Mudd, 6:30 p.m. July 11 at Post-Gazette Pavilion, Routes 18 and 22, Burgettstown, Pa. Contact Ticketmaster.
Tickets on sale Saturday: Something Corporate with The Rocket Summer and Woodbelly, May 15 at The Rock Club, Pittsburgh; and John Mayer, Maroon5 and DJ Logic, 7 p.m. Aug. 13 at Post-Gazette Pavilion. Call Ticketmaster.
Tickets on sale Monday: Chicago and Earth, Wind and Fire, June 23 at Post-Gazette Pavilion. Call Ticketmaster.