| A Young Generation | Alexander Klaws | | | 3:28 | |
| Adrenalin | Alexander Klaws | | | 3:50 | |
| Adrenalin | Alexander Klaws | | | 3:50 | |
| Alextasy | Alexander Klaws | | | 3:59 | |
| All | Alexander | | | 3:18 | |
| All | Alexander Klaws | | | 3:19 | |
| All (I Ever Want) | Alexander Klaws & Sabrina Weckerlin | | | 3:17 | |
| All (I Ever Want) (alternative version) | Alexander feat. Sabrina Weckerlin | | | 3:16 | |
| All (I Ever Want) (instrumental version) | Alexander feat. Sabrina Weckerlin | | | 3:31 | |
| Alles | Alexander feat. Sabrina Weckerlin | | | 3:16 | |
| Alles (3 Musketiere: Das Musical) | Alexander Klaws, Sabrina Weckerlin | | | 3:17 | |
| Another Day, Another Heart | Alexander | | | 4:11 | |
| Another Heart Is Broken | Alexander | | | 3:38 | |
| Anything Is Possible | Alexander | | | 4:06 | |
| Anytime You Want Me | Alexander | | | 3:31 | |
| Anywhere You Go (DJ Antoine vs. Mad Mark 2k12 remix) | Mad Mark feat. Alexander | | | 4:18 | |
| Beautiful Show | Alexander Klaws | | | 3:15 | |
| Behind the Sun | Alexander | | | 3:58 | |
| Behind the Sun | Alexander | | | 3:57 | |
| Behind the Sun | Alexander | | | 3:58 | |
| Behind the Sun (Anspieltipp) | Alexander | | | 0:42 | |
| Behind the Sun (classic mix) | Alexander | | | 4:01 | |
| Behind the Sun (guitar mix) | Alexander | | | 4:00 | |
| Behind the Sun (radio edit) | Alexander | | | 4:05 | |
| Behind the Sun (radio instrumental) | Alexander | | | 3:59 | |
| Break Free | Alexander | | | 3:08 | |
| Breakin’ Up Is Hard to Do | Alexander | | | 3:56 | |
| Celebrity Queen | Alexander Klaws | | | 3:46 | |
| Cry On My Shoulder | Alexander Klaws | | | 3:57 | |
| Danke | Alexander Klaws | | | 3:18 | |
| Danke | Alexander Klaws | | | 3:19 | |
| Das ist Leben | Alexander Klaws | | | 3:24 | |
| Das ist Leben | Alexander Klaws | | | 3:25 | |
| Der deutsche Hitmix 2016, Block F: Morgen explodiert die Welt / Ich tu's mit dir / Nur wegen Dir / Kommst du mit | Alexander Klaws / Kristina Bach / Olaf Henning / Michael Fischer | | | 5:54 | |
| Der euphorische Weltuntergang | Felix & Alexander Klaws | | | 4:06 | |
| Der Sonne entgegen | Alexander Klaws | | | 3:18 | |
| Der Sonne entgegen | Alexander Klaws | | | 3:21 | |
| Dieser Sommer | Alexander Klaws | | | 3:39 | |
| Dieser Sommer | Alexander Klaws | | | 3:36 | |
| Dieser Sommer | Alexander Klaws | | | 3:36 | |
| Dieser Sommer (Xtreme Sound Mix) | Alexander Klaws | | | 3:59 | |
| Dir gehört mein Herz (Reprise) (Disneys Musical Tarzan) | Alexander Klaws, Ana Milva Gomes | | | 2:25 | |
| Don't Be Cool | Alexander | | | 4:14 | |
| Du gehst mir unter die Haut | Alexander Klaws | | | 3:24 | |
| Du gehst mir unter die Haut | Alexander Klaws | | | 3:23 | |
| Du gehst mir unter die Haut | Alexander Klaws | | | 3:24 | |
| Du tust mir gut | Alexander Klaws | | | 3:59 | |
| Ein Traum wird wahr (From Disney's "Aladdin") | Julia Scheeser & Alexander Klaws | | | 2:47 | |
| Es wird immer Liebe sein | Alexander Klaws | | | 3:47 | |
| Even When Your Love Is Gone | Alexander | | | 3:53 | |
| Family & Friends | Alexander Klaws | | | 4:25 | |
| Family & Friends | Alexander Klaws | | | 4:25 | |
| Free Like the Wind | Alexander | | | 3:46 | |
| Free Like the Wind | Alexander | | | 3:43 | |
| Free Like the Wind | Alexander | | | 3:46 | |
| Free Like the Wind | Alexander | | | 3:45 | |
| Free Like the Wind | Alexander | | | 3:44 | |
| Free Like the Wind | Alexander | | | 3:44 | |
| Free Like the Wind | Alexander | | | 3:46 | |
| Free Like the Wind | Alexander | | | 3:44 | |
| Free Like the Wind (instrumental version) | Alexander | | | 3:45 | |
| Free Like the Wind (New Version) | Alexander Klaws | | | 3:40 | |
| Free Like the Wind (orchestral version) | Alexander | | | 3:46 | |
| Free Like the Wind (radio version) | Alexander | | | 3:45 | |
| Free Like the Wind (video) | Alexander | | | ?:?? | |
| Freedom | Alexander Klaws | | | 3:47 | |
| Fremde wie ich (Disneys Musical Tarzan) | Alexander Klaws, Elisabeth Hübert | | | 3:48 | |
| From the Heart of an Angel | Alexander | | | 3:38 | |
| God Gave Love To You | Alexander Klaws | | | 4:28 | |
| Hab keine Angst | Alexander Klaws | | | 3:21 | |
| Hab keine Angst | Alexander Klaws | | | 3:22 | |
| Here I Am | Alexander | | | 4:02 | |
| Here I Am | Alexander | | | 3:34 | |
| Here I Am | Alexander | | | 3:36 | |
| Here I Am | Alexander | | | 3:35 | |
| Here I Am | Alexander | | | 3:32 | |
| Here I Am (unplugged version) | Alexander | | | 3:33 | |
| Here We Stand Again (Stay With Me Tonight) | Alexander Klaws | | | 3:43 | |
| Himmel und Hölle | Alexander Klaws | | | 3:38 | |
| Himmel und Hölle | Alexander Klaws | | | 3:39 | |
| Himmel und Hölle (Big Band version) | Alexander Klaws | | | 4:40 | |
| Himmel und Hölle (Big Band Version) | Alexander Klaws | | | 4:40 | |
| How Can We Mend Your Lonely Heart | Alexander Klaws | | | 3:55 | |
| I Believe | Alexander | | | 3:34 | |
| I Don’t Wanna Say That | Alexander | | | 3:17 | |
| I Need You | Alexander | | | 3:44 | |
| I'll Love You 'til the Day I Die | Alexander Klaws | | | 3:33 | |
| Ich erinner' mich | Alexander Klaws | | | 3:23 | |
| Ich glaube an Liebe | Alexander Klaws | | | 3:32 | |
| Ich glaube an Liebe | Alexander Klaws | | | 3:30 | |
| Ich Glaube an Liebe | Alexander Klaws | | | 3:29 | |
| Ich könnte, wenn ich wollte | Alexander Klaws | | | 4:11 | |
| Ich war immer bei Dir | Alexander Klaws | | | 5:07 | |
| If I Can’t Have You Tonight | Alexander | | | 6:25 | |
| If I Could Live Forever | Alexander | | | 3:25 | |
| If I'm not the one | Alexander Klaws | | | 4:07 | |
| In allen Zeiten | Alexander Klaws | | | 3:33 | |
| In allen Zeiten | Alexander Klaws | | | 3:35 | |
| It's All Over | Alexander Klaws | | | 3:52 | |
| Jazzee's Beat | Alexander | | | 1:36 | |
