ðə ɡɹˈuːp hɐz pɚfˈɔːɹmd wɪð ɡˈɛst ˈɑːɹɾɪsts sˈʌtʃ ɐz ɑːndɹˈeɪəs skˈɑːl, ˈɛmə kˈɜːkbi, dˈɛɹɪk lˈiː ɹˈædʒɪn, ˈændɹuː mˈænz, fᵻlˈiːp dʒæɹˈaʊski, ˈævi ˈævaɪɾəl, dəmˈiːtɹi sɪŋkˈɑːvski, fˈɛdɚɹɪkˌoʊ ɡʌɡlˈiːlmoʊ, kɹɪstˈiːnə plˈuːhɑːɹ ænd ᵻlˈɪzəbəθ wˈɔːlfɪʃ.
The group has performed with guest artists such as Andreas Scholl, Emma Kirkby, Derek Lee Ragin, Andrew Manze, Philippe Jaroussky, Avi Avital, Dmitry Sinkovsky, Federico Guglielmo, Christina Pluhar and Elizabeth Wallfisch.