Embodiments are disclosed that relate to facilitating the reproducible placement of percussive instruments, such as drums, relative to one another. For example, one disclosed embodiment provides a footprint indication kit for percussion instruments. The footprint indication kit comprises a set of marking strips configured to indicate a periphery of a footprint of a percussion instrument, the set of marking strips including two or more marking strips having a first side including a connecting material configured to removably engage a complementary connecting material on a drum mat, and the two or more marking strips including at least one of a marking strip having one or more curved edges and a rectangular marking strip.