Recent Rock and Roll Hall of Fame inductee Aerosmith [ tickets ] is expected to visit nearly 50 North American cities this year, and tickets to more than 20 of the band’s shows are scheduled to go on sale on Saturday (4/21).

Aerosmith is scheduled to open its world tour--which is expected to run for two years--in early June. Tickets to the following shows hit the market this weekend:

June
6 - Hartford, CT - CTNow.com Meadows Music (on sale 4/21, 10 a.m. ET, Tickets.com)
8 - Saratoga, NY - Saratoga Performing Arts Center (on sale 4/21, 9 a.m. ET)
10 - Holmdel, NJ - PNC Bank Arts Center (on sale 4/21, 9 a.m. ET)
16 - Wantagh, NY - Jones Beach (on sale 4/21, 9 a.m. ET)
22 - Hershey, PA - Hershey Park (on sale 4/21, 10 a.m. ET)
24 - Bristow, VA - Nissan Pavilion (on sale 4/21, 11 a.m. ET)
26, 28 - Boston, MA - Tweeter Center (on sale 4/21, 10 a.m.)
30 - Pittsburgh, PA - Post Gazette Pavilion (on sale 4/21, 10 a.m. ET)

September
3 - New Orleans, LA - New Orleans Arena (on sale 4/21, 10 a.m. CT)
7 - Cincinnati, OH - Riverbend Music Center (on sale 4/21, 10 a.m. ET)
9 - Indianapolis, IN - Verizon Wireless Amphitheatre (on sale 4/21, 10 a.m. CT)
13 - Camden, NJ - Tweeter Center at the Waterfront (on sale 4/21, 10 a.m. ET)
21 - Raleigh, NC - Alltel Pavilion (on sale 4/21, 10 a.m. ET)

Look for Eric Clapton [ tickets ] tickets to go on sale in at least eight markets on Saturday (4/21). At 10 a.m. Central Time, tickets for the tour’s stops in Milwaukee; Moline, Ill.; St. Paul, Minn.; and Chicago will go on sale. At 9 a.m. Mountain Time, tickets for a Salt Lake City show will go on sale. One hour later, tickets hit the market for the tour’s Phoenix show. At 9 a.m. Pacific Time, tickets for the tour’s Portland, Ore., stop go on sale.

Tickets for nine Backstreet Boys [ tickets ] concerts will go on sale in the coming days. On Friday (4/20) at noon Eastern Time, tickets for the band’s Toronto appearance will go on sale through Ticketmaster Canada.

At 10 a.m. Eastern Time on Saturday (4/21), tickets for the tour’s Atlanta show will go on the market, and at noon Eastern Time, fans in Albany, N.Y.; Burgettstown, Pa.; and Columbus, Ohio, will get their shot at tickets. At noon Pacific Time, tickets for Portland, Ore., and Los Angeles shows will go on sale.

Finally, tickets for Backstreet Boys’ San Jose, Calif., appearance will go on sale at 10 a.m. Eastern Time on Sunday (4/22).

John Mellencamp plays at the Polaris Amphitheater in Columbus, Ohio, on Sept. 2; tickets go on sale on Saturday (4/21) at 10 a.m. Eastern Time.

Reba McEntire [ tickets ], Martina McBride, Sara Evans and Jamie O'Neal will join forces for Girls' Night Out, an outing that is being billed as the first all-female country music festival tour. Tickets for shows in Hartford, Conn., and Buffalo and Albany, N.Y., will go on sale on Friday (4/20) at 10 a.m. Eastern Time.

Tickets for the Hershey, Pa., show will hit the market at noon Eastern Time on Saturday (4/21). Finally, tickets for the Sacramento, Calif., will go on sale at 10 a.m. Pacific Time on Saturday (4/21).

Rod Stewart [ tickets ] ticket on-sales continue to roll out in various markets. On Friday (4/20) at noon, tickets for Stewart’s Pittsburgh-area appearance hit the market.

For his Scranton, Pa., and Tampa and West Palm Beach, Fla., shows, tickets will go on sale at 10 a.m. Eastern Time on Saturday (4/21). Tickets for Stewart’s Denver show will go on sale at 10 a.m. Mountain Time on Saturday.

Ticket on-sale information for many other shows is available at liveDaily's Ticket Alert.

Unless otherwise noted, tickets are available from Ticketmaster and Ticketmaster Online, as well as the venue box office. Ticketmaster is LiveDaily’s parent company.