garnered a Grammy nomination for Best Traditional Blues Album, so it makes sense that the band would want to capitalize on that momentum with a sequel and that the sequel would be , a collection where the group provides their own spin on a number of classic R&B tunes. 's definition of R&B is fairly catholic, spanning everything from 's version of ' "We Can Work It Out" and 's "Tired of Being Alone" to s "Waterfalls" and 's "Groove Is in the Heart." Everything is tied together by 's focus on the smooth, funky R&B that came out at the tail end of the soul era -- this is more 1970s than 1960s -- a decision that helps showcase the group's adept navigation of laid-back grooves. shares the stage with a variety of guests -- shows up on "I Can't Stand the Rain," both 's and appear on "Waterfalls" -- which gives a vague air of a celebration: this isn't just the band enjoying the mellow good times, it's their friends too. ~ Stephen Thomas Erlewine