Soul music sensations the O'Jays make their way to Baltimore tomorrow for a smooth return to '70s classics. Known for adding a touch of funk to rich R&B, the O'Jays have produced chart-topping songs such as "Love Train" and "For the Love of Money." The group appears at Rams Head Live at 20 Market Place. Doors open at 8 p.m. Tickets are $55-$175. For tickets, call 410-244-1131 or visit ramshead live.com.