feat. BoA & Howie D.(BackstreetBoys) 2003.08.27 La la la Love Song 與Soul'd Out合唱 2004.02.25 收錄在「向久保田利伸致敬」專輯,「BEST OF SOUL」中有收錄 the Love Bug ※與隕 浮流(m-flo)合唱
"Nothing At All" 2001 On the Line All Stars feat. Lance Bass – "On the Line" Anastacia – "Not that Kind of Girl" BackstreetBoys – "Invitation Only" 3 Doors