“So many things can influence how the songs will just shift a little bit in each place, and I found that really interesting when I read that about his philosophy behind his wall drawings,” Julianna Barwick says of the influence of Sol LeWitt’s artistic process. In this episode of Variations on a theme, host Dessane Lopez Cassell speaks to the composer and performer about how she creates a choir of one — “loop by loop by loop, and shape by shape by shape.” We also take a closer look at the relationship between conceptual art and experimental music.For more information about Microsoft's In Culture podcast and to read the transcript, please visit: microsoft.com/inculture/podcast