Rainstation Zero, an indie rock band, will host a CD release event for its album "Glisten Through the Wave" at 9:30 p.m. Friday at the Hard Rock Cafe in Pittsburgh. Band members include Butler resident Sarah Jane Edinger on vocals. Tickets to the party cost $7.50. Visit www.rainstationzero.com.

Pittsburgh Youth Symphony Orchestra will perform a free concert called "Magic and Mystery" at 7 p.m. Sunday at Heinz Hall, 600 Penn Ave. The concert is free, but tickets are required. To download the free tickets, visit the Web site at www.pyso.us."

Tribute to Luciano Pavarotti," a concert by recording artist Michael Amante, will take place at 8 p.m. Saturday at the Carnegie Library Music Hall, 510 E. 10th Ave., Munhall. Reserved seats range from $29.50 to $39.50. Call 412-368-5225.

Michael Unger, winner of the American Guild of Organists national young organist competition, will perform an organ concert at 4 p.m. Sunday at Heinz Memorial Chapel in Oakland. Dress is casual. Admission is $12; students pay $5. A complimentary reception with light refreshments is planned. Call 412-242-2787, or visit www.oas-series.com.

Pittsburgh Opera will host a free Brown Bag Concert at noon Saturday in the performance space of its Strip District headquarters, 2425 Liberty Ave. The performance will feature resident artists performing the greatest hits from some favorite operas. Call 412-456-6666 or visit www.pittsburghopera.org.

<B>"Sinatra at the Kean Theatre" </B>will take place at 8 p.m. Saturday at the Kean Theatre, 5847 Meridian Road, Gibsonia. Tickets are $29. Call 724-444-5326 or visit the Web site, www.keantheatre.com. Proceeds benefit the St. Barnabas Free Care Fund.