Need to mellow out? Look no further than "Bitter Sweet Serenity" by Sean Planes. It has a low key Hip-Hop/R&B feel that'll keep your head knocking to the beat. Piano and flute jump into this Drum & Bass track, which give it many layered dimensions. Overall, "Bitter Sweet Serenity" has a downtempo, chill vibe that will have you feeling relaxed and calm.