[5] With van der Meer he performed and recorded Bach's Mass in B minor in 1975 at the Holland Festival, the orchestra was La Petite Bande with concert master Sigiswald Kuijken).

[2] Van Altena has collaborated with the choir Junge Kantorei, conducted by Joachim Martini, singing in Eberbach Abbey Monteverdi's Marienvesper (1977, 1978, 1984), Bach's Matthäuspassion (1981) and Messe in h-Moll (1982).

[12] In 1995 they recorded "Tears Of Lisbon", a collection of works by Portuguese Renaissance composers such as Joaquim Pimentel, Fontes Rocha, Paulo Valentim, Manuel Mendes, Armando Machado, Francisco Viana and Fernando Tordo.

[13] In the field of Baroque opera, he appeared at the Holland Festival in 1974 in Agostino Agazzari's Eumelio and in Sigmund Theophil Staden's Seelewig.

From 1980 to 1984 he participated in opera performances of the company Spectaculum in Vienna, including works by Johann Joseph Fux, Emperor Leopold I and Francesco Bartolomeo Conti.