From 1997/1998, he started a long term co-operation with violinist Frank Peter Zimmermann, with whom Pace gave concerts in many European, South-American and Far Eastern countries.

Other musicians with whom he often performs are violinist Leonidas Kavakos, horn player Marie-Luise Neunecker and pianist Igor Roma.

[2] Pace has given many recitals in Europe, among others in the Amsterdam Concert Hall (he already performed four times there in the Master Pianists Series), Milan (Sala Verdi and Teatro alla Scala), Rome, Brescia/Bergamo, Florence, Berlin, Munich, Dortmund, Dublin and in some South American cities.

Pace also worked with, among others, the conductors Andrey Boreyko, Mark Elder, Janos Fürst, Junichi Hirokami, Eliahu Inbal, Jan Latham-Koenig, Kazimirz Kord, Alexander Liebreich, Gianandrea Noseda, Tuomas Ollila, Tadaaki Otaka, Stanislav Skrowaczewski, Bruno Weil en Antoni Wit.

Pace also performed at the chamber music festivals of Kuhmo (Finland), Stresa (Italy), West Cork (Ireland) and Moritzburg (Germany).