| I Like | Klaas & Bodybangers | | | 4:04 | |
| I Like (Bodybangers mix edit) | Klaas & Bodybangers | | | 3:27 | |
| I Like (Bodybangers Mix Edit) | Klaas & Bodybangers | | | 3:26 | |
| I Like (Bodybangers mix) | Klaas & Bodybangers | | | 3:37 | |
| I Like (Bodybangers Mix) | Klaas & Bodybangers | | | 4:58 | |
| I Like (Klaas edit) | Klaas & Bodybangers | | | 3:28 | |
| I Like (Klaas Edit) | Klaas & Bodybangers | | | 3:26 | |
| I Like (Klaas mix edit) | Klaas & Bodybangers | | | 3:26 | |
| I Like (Klaas mix edit) | Klaas & Bodybangers | | | 3:27 | |
| I Like (Klaas mix) | Klaas & Bodybangers | | | 3:28 | |
| I Like (Klaas mix) | Klaas & Bodybangers | | | 2:44 | |
| I Like (Klaas mix) | Klaas & Bodybangers | | | 4:00 | |
| I Like (Klaas Mix) | Klaas & Bodybangers | | | 5:37 | |
| I Love You | Klaas | | | 1:52 | |
| I Love You (12" mix) | Klaas vs. I Am Finn | | | 6:04 | |
| I Love You (Van She Tech remix) | Klaas vs. I Am Finn | | | 4:13 | |
| I'm Free (radio edit) | Klaas | | | 3:20 | |
| I've Been Thinking About (Boulevard East remix TV) | Klaas & Londonbeat | | | 3:28 | |
| I've Been Thinking About You (Alex K's Nrg Beefed extended remix) | Klaas & Londonbeat | | | 4:08 | |
| I've Been Thinking About You (Alex K's Nrg Beefed remix) | Klaas & Londonbeat | | | 3:00 | |
| I've Been Thinking About You (Anderson & Thacher mix) | Klaas & Londonbeat | | | 5:28 | |
| I've Been Thinking About You (Boulevard East remix edit) | Klaas & Londonbeat | | | 3:26 | |
| I've Been Thinking About You (Boulevard East remix) | Klaas & Londonbeat | | | 4:26 | |
| I've Been Thinking About You (Jaydom remix) | Klaas & Londonbeat | | | 3:46 | |
| I've Been Thinking About You (Klaas extended remix) | Klaas & Londonbeat | | | 4:00 | |
| I've Been Thinking About You (Klaas remix) | Klaas & Londonbeat | | | 2:56 | |
| I've Been Thinking About You (Rivaz & Botteghi dub) | Klaas & Londonbeat | | | 4:26 | |
| I've Been Thinking About You (Rivaz & Botteghi remix) | Klaas & Londonbeat | | | 4:33 | |
| I've Been Thinking About You (Simon Shane remix) | Klaas & Londonbeat | | | 6:05 | |
| I've Been Thinking About You (Stonebridge & Damien Hall Anthem mix) | Klaas & Londonbeat | | | 2:59 | |
| I've Been Thinking About You (Stonebridge & Damien Hall extended Anthem mix) | Klaas & Londonbeat | | | 4:24 | |
| I’ve Been Thinking About You (Alex K’s Nrg Beefed remix) | Klaas | | | 3:10 | |
| I’ve Been Thinking About You (JayDom Remix) | Klaas & London Beat | | | 3:46 | |
| I’ve Been Thinking About You (Klaas Extended Remix) | Klaas & London Beat | | | 4:00 | |
| I’ve Been Thinking About You (Klaas remix) | Klaas & Londonbeat | | | 2:56 | |
| I’ve Been Thinking About You (Klaas remix) | Klaas & Londonbeat | | | 2:56 | |
| I’ve Been Thinking About You (Klaas Remix) | Klaas & London Beat | | | 2:56 | |
| In My Head | Klaas & Emmie Lee | | | 2:45 | |
| It; S My Day (Bodybangers remix) | Klaas | | | 2:00 | |
| It's My Day (Bodybangers remix edit) | Klaas | | | 3:33 | |
| It's My Day (Bodybangers remix) | Klaas | | | 5:46 | |
| It's My Day (club mix edit) | Klaas | | | 3:35 | |
| It's My Day (club mix) | Klaas | | | 6:00 | |
| It's Raining Men (Klaas Remix) | The Weather Girls & Klaas | | | 2:46 | |
| Its My Day (Bodybangers remix edit) | Klaas | | | 3:35 | |
| Its My Day (Bodybangers remix edit) | Klaas | | | ?:?? | |
| Joli Garcon | Klaas | | | 2:25 | |
| Love Your Life | Klaas | | | 2:51 | |
| Love Your Life | Klaas | | | 2:51 | |
| Love Your Life (extended mix) | Klaas | | | 3:49 | |
| Lucky, Lucky, Lucky Me - Klaas Remix | Adrienne Valerie & Klaas | | | 2:36 | |
| Make You Feel ’08 (Klaas Stomp vocal edit) | Klaas | | 3 | 3:30 | |
| Make You Feel (Klaas stomp edit) | Klaas | | | 3:22 | |
| Make You Feel (Klaas stomp edit) | Klaas | | | 3:23 | |
| Make You Feel (Klaas Stomp vocal edit) | Klaas | | | 3:30 | |
| Make You Feel (Klaas Stomp vocal mix) | Klaas | | | 3:30 | |
| Make You Feel (Klaas Stomp vocal mix) | Klaas | | | 4:30 | |
| Make You Feel (original edit) | Klaas | | | 3:44 | |
| Make You Feel (original mix) | Klaas | | | 6:19 | |
| Money | Klaas | | | 2:27 | |
| Money | Klaas | | | 2:26 | |
| Mr. Saxobeat | Klaas | | | 2:31 | |
| Mr. Saxobeat (Extended Mix) | Klaas | | | 3:33 | |
| Mutual | Klaas & Amanda Collis | | | 2:15 | |
| Night to Remember (original mix) | Klaas | | | 1:15 | |
| Night to Remember (radio edit) | Klaas | | | 3:50 | |
| Night to Remember (radio edit) | Klaas | | | 3:50 | |
| Night to Remember (radio edit) | Klaas | | | 3:27 | |
| OK Without You | Klaas | | | 2:51 | |
| OK Without You | Klaas | | | 2:51 | |
| OK Without You (extended mix) | Klaas | | | 3:53 | |
| Our Own Way | Klaas | | | 5:25 | |
| Our Own Way | Klaas | | | 3:06 | |
| Our Own Way | Klaas | | | 3:53 | |
| Our Own Way | Klaas | | | 3:51 | |
| Our Own Way | Klaas | | | 3:52 | |
| Our Own Way | Klaas | | | 3:52 | |
| Our Own Way | Klaas | | | 3:52 | |
| Our Own Way | Klaas | | | 3:53 | |
| Our Own Way | Klaas | | | 5:54 | |
| Our Own Way | Klaas | | | 2:31 | |
| Our Own Way | Klaas | | | 3:52 | |
| Our Own Way | Klaas | | | 3:52 | |
| Our Own Way | Klaas | | | 3:52 | |
| Our Own Way | Klaas | | | 3:53 | |
| Our Own Way | Klaas | | | 3:53 | |
| Our Own Way | Klaas | | | 1:29 | |
| Our Own Way | Klaas | | | 3:53 | |
| Our Own Way | Klaas | | | 3:51 | |
| Our Own Way | Klaas | | | 3:53 | |
| Our Own Way | Klaas | | | 3:52 | |
| Our Own Way | Klaas | | | 3:46 | |
| Our Own Way | Klaas | | | 1:46 | |
| Our Own Way | Klaas | | | 5:15 | |
| Our Own Way (edit) | Klaas | | | 3:50 | |
| Our Own Way (Klaas Flow Edit) | Klaas | | | 3:09 | |
| Our Own Way (Klaas Flow Mix) | Klaas | | | 5:30 | |
| Our Own Way (original mix edit) | Klaas | | | 3:52 | |
| Our Own Way (original mix edit) | Klaas | | | 3:51 | |
| Our Own Way (original mix edit) | Klaas | | | 2:15 | |
