Thalken has also written choral, art songs, concert and chamber music. His orchestrations can be heard on albums by Rebecca Luker, Howard McGillen, BJ Ward, and opera star Nathan Gunn, among others. As a pianist and music director, he has toured extensively with Broadway greats Patti LuPone, Bernadette Peters, Kristin Chenoweth, Brian Stokes Mitchell, and many more.