“Just a splash of sweetened lime juice makes that Harp Lager sing.” Hailey’s Harp & Pub will have Guinness, Harp Lager, Smithwick’s and Magners Irish Cider on tap on St. Patrick’s Day.

Bartenders are usually trained on how to achieve the perfect pour of Guinness by using the right glass, angle, and time taken to fill it.

“Just a splash of sweetened lime juice makes that Harp Lager sing.” Hailey’s Harp & Pub will have Guinness, Harp Lager, Smithwick’s and Magners Irish Cider on tap on St. Patrick’s Day.

The building where Chicago’s new Guinness brewery stands is a repurposed rail depot built in 1910. One of the main design elements is a 7,700-pound metal harp that hangs over the main bar.

Drink specials will include green tea shots, Harp and Guinness draft, and Jameson whiskey. DJ Ralph comes on at 4 p.m. Bagpipers will perform from 7 to 8 p.m. Mulligan’s opens at 11 a.m.