Saturday, March 31, at 2:30 p.m.: The Roy A. Johnson Memorial Organ Concert, Pamela Decker, organ, Holsclaw Hall; $5 to $9. Saturday, March 31, at 7:30 p.m.: CrossTalk, electronic percussion, Crowder Hall; $5. Sunday, April 1, at 3 p.m.: the finals of the $4,000 Lois Trester Piano Competition, Crowder Hall; free. Sunday, April 1, at 2:30 p.m.: the Sholin Guitar Competition, Holsclaw Hall; $9, $7 UA employee or senior, $5 student. Call 621-1162, or visit arizona.tix.com
for tickets or more information.