Philadelphia Karaoke at its best! Why run a marathon when you can sit back, relax, have a drink, and sing a song at a marathon (Marathon Bar that is). Sing Upstairs at the Center City Marathon Bar every sunday night. Karaoke starts at 9:30pm. Sunday is Funday at Marathon Bar. Tons of karaoke songs to sing and great Drink Specials. $2 Domestics and $ $3 Skyy Drinks. Let Philadelphia Karaoke be your primary resource for karaoke in Philly!