1957

- EP Song parade: Song parade no. 1 / Song parade no. 2
(Philips PE 422 106)

1958

- Song parade no. 3 deel I / Song parade no. 3 deel II
(Philips PF 318 009)

1958

- Song parade no. 4 deel I / Song parade no. 4 deel II
(Philips PF 318 062)

1958

- EP Oh come, all ye faithfull - While shepherds watched their flocks by night / The firstl nowell - Hark! The herald angels sing
(Philips PE 422 179) [Pro Musica, Sweet Sixteen & Jongenskoor Baarn]

1958

- EP Le message des anges - Minuit sonne au clocher blanc - Quando nascetto / Il est né le divin enfant - Entre leboeuf et l'ane gris
(Philips PE 422 181) [Pro Musica, Sweet Sixteen & Jongenskoor Baarn]

1958

- EP Song parade: Song parade no. 3 / Song parade no. 4
(Philips PE 422 247)

1958

- EP Zeemansliedjes 3: Zeemanshart - Jim, Johnny en Jonas / Op een zeemansgraf - Tabé, ouwe Wester
(Philips PE 422 191) [A1: De Straatzangers - A2: Marcel Thielemans & Sweet Sixteen / B1: De Straatzangers - B2: Willy Alberti]

1959

- Elisabethan serenade / Met zestien
(Philips PF 318 265)

1959

- EP Petticoat parade: You're my sunshine - You're the cream in my coffee / There's a rainbow round my shoulder - I'm gonna sit right down and write myself a letter
(Philips PE 422 299)

1959

- Stille nacht, heilige nacht / Oh come, all ye faithfull
(Philips SF 313 222) [A: Pro Musica & Sweet Sixteen / B: Pro Musica, Sweet Sixteen & Jongenskoor Baarn]

1959

- O, du Fröliche Nu sijt wellecome
(Philips SF 313 223) [A: Pro Musica & Sweet Sixteen / B: Pro Musica, Sweet Sixteen & Jongenskoor Baarn]

1960

- Peter - Eenzaam
(Philips PF 318 329)