Music fans both traditional and non- have options tonight. 

At the Mahaffey, swing to the big-band sound of the world-famous Glenn Miller Orchestra as the ensemble of more than 20 musicians and singers performs timeless classics like “In the Mood,” “Moonlight Serenade” and “Chattanooga Choo Choo.” 7:30 p.m., Duke Energy Center for the Arts/Mahaffey Theater, 400 First St. S., St. Petersburg, 727-300-2000, the mahaffey.com.

And over at that bastion of jazz and new music, the Side Door at the Palladium, enjoy the adventurous sounds of the EMIT-a-thon. A scholarship benefit for students in St. Petersburg College’s invaluable MIRA program (Music Industry/Recording Arts), the lineup of artists includes inventive electric noise-maker Mark Hosler; choreographic dance and electroacoustic research trio Anoikis; and improvising duo Kersey/Stewart.  7:30 p.m., Side Door at The Palladium, 253 Fifth Ave. N., St. Petersburg, 727-822-3590, my palladium.org.