 With the RIAS Orchestra, Lack performed the European premieres of the Menotti Violin Concerto and the Bernstein "Serenade".She also made a number of recordings (see "Selected discography" below).Lack made her New York recital debut in 1943 at The Town Hall, performing concertos by Vivaldi and Dvořák, a sonata by Dohnányi, and pieces by Shostakovich, Poulenc, Ysaÿe, and Wieniawski.