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Dänemark| Label: | Pye Records 7N 45698 |
| Genre: | Jazz, Pop |
| Style: | Novelty, Easy Listening |
| Format: | Vinyl (7" , 45 RPM) |
| A | Halfway Down The Stairs » Vocals: Kermit's Nephew Robin » Written-By: A. A. Milne, F. Simson | |
| B | Mah Na Mah Na » Written-By: Umiliani |
| Label: | Pye Records 45 PY 140260 |
| Genre: | Jazz |
| Style: | Easy Listening |
| Format: | Vinyl (7" , 45 RPM , Single) |
| A | Mah Na Mah Na » Written-By: Umiliani | 2:16 |
| B | Halfway Down The Stairs » Vocals: Kermit's Nephew Robin » Written-By: A.A. Milne, F. Simson | 2:17 |
| Label: | Pye Records 11 832 AT |
| Genre: | Jazz |
| Style: | Easy Listening |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | Mahna Mahna | 3:11 |
| B | Die Stufe Der Mittelmäßigkeit (Halfway Down The Stairs) | 2:16 |
| Label: | Pye Records P-1050 |
| Genre: | Children's, Jazz, Pop, Stage & Screen |
| Style: | Easy Listening |
| Format: | Vinyl (7" , 45 RPM , Single) |
| A | Mahna Mahna » Vocals: Mahna Mahna » Written-By: Umiliani | 2:16 |
| B | Halfway Down The Stairs » Vocals: Kermit's Nephew Robin » Written-By: A.A. Milne, F. Simson | 2:15 |
| Label: | Arista AS 0290 |
| Genre: | Pop, Stage & Screen |
| Style: | Novelty |
| Format: | Vinyl (7" , 45 RPM , Single , Promo) |
| A | Mahna Mahna (Mono) | 2:04 |
| B | Mahna Mahna (Stereo) | 2:04 |
| Label: | Pye Records DNZ 5042 |
| Genre: | Stage & Screen |
| Format: | Vinyl (7") |
| A | Mah Na Mah Na | 2:15 |
| B | Halfway Down The Stairs | 2:25 |
| Label: | Arista AS 0290 |
| Genre: | Jazz |
| Style: | Easy Listening |
| Format: | Vinyl (7" , 45 RPM , Single) |
| A | Mah Na Mah Na With Lullaby Of Birdland » Written-By: Umiliani | 2:16 |
| B | Sax And Violence | 1:53 |
