Complex sentence: Pintscher began his music studies with Giselher Klebe in 1988 at the Hochschule für Musik Detmold; in 1990 he met Hans Werner Henze and in 1991 and 1992 he was invited to Henze's summer school in Montepulciano, Italy.
Split into simpler sentences: Pintscher began his music studies with Giselher Klebe in 1988 at the Hochschule für Musik Detmold. In 1990, he met Hans Werner Henze, and in 1991 and 1992 he was invited to Henze's summer school in Montepulciano, Italy.