Calling all seniors: its karaoke time again! Join your compatriots over at the Wallingford Senior Center for their renowned Happy Hour Karaoke this Tuesday, February 27, from 1 to 2 p.m. If you’re not a member of the center yet, no worries: cost for karaoke time is just $5 for non-members, or $3 for members. The music hearkens back to the 50s through the 70s, with videos to bring back those oh-so-memorable times. Those in the scientific world claim that group singing relieves anxiety, reduces stress and elevate endorphins — so dust off your pipes and get ready to belt it out.