Mus Kat & Nalpak were a musical group famous for their track "Black Spire Harvest." This song was a regular part of the atmosphere at Oga's Cantina, located within Black Spire Outpost on the planet Batuu. The R-3X droid at the cantina also played other songs by Mus Kat & Nalpak, such as "Bright Suns," "Doshka," "Til the Spire," and "Turbulence."