Sometimes the best new R&B can be hard to find, but there are plenty of great rhythm-and-blues tunes to get into if you have the time to sift through the hundreds of newly released songs every week.

With chart-topping hits like “End of the Road,” “I'll Make Love to You” and “It's So Hard to Say Goodbye to Yesterday,” Boyz II Men have been one of the most successful groups in history. Courtesy ...