zˈɪmɚmən ɪz ˈɔːlsoʊ dɪvˈoʊɾᵻd tə tʃˈeɪmbɚ mjˈuːzɪk, hˌævɪŋ pɚfˈɔːɹmd wɪð ɡˈɪdɑːn kɹˈɛmɚ, lˈɑːɹz vˈɑːɡt, hˈɑːɹtmʌt hˈɜːl, stˈiːvən ˈɪsɚliz, hˌɑːvɪˈɛɹ pˈɪɹiˌeɪnz, ænd pˈæmələ fɹˈæŋk æt nˈuːmɚɹəs fˈɛstɪvəlz.
Zimmermann is also devoted to chamber music, having performed with Gidon Kremer, Lars Vogt, Hartmut Höll, Steven Isserlis, Javier Perianes, and Pamela Frank at numerous festivals.