"hard or smooth" became a success for the group thanks in large part to the single "rump shaker". the album itself made it to #9 on the "billboard" 200 and #6 on the top r&b/hip-hop albums chart. several singles made it to the "billboard" charts; "rump shaker" would make it to #2 on the "billboard" hot 100 and on the r&b/hip-hop singles & tracks, as well as #9 on the hot dance music/club play; "knock-n-boots" made it to #72 on the hot 100 and #71 on the r&b/hip-hop chart; "my cutie" made it to #37 on the hot dance music/maxi-singles sales and #75 on the r&b/hip-hop chart; and "wreckx shop" made it to #11 on the hot rap tracks and 46 on the r&b/hip-hop chart.