Final answer:
Drummers in Indian music have choices to play speeds related in mathematical ratios such as double or half the base speed, which require great skill to maintain during performances.
Step-by-step explanation:
In traditional Indian music, drummers playing Indian rhythms have the choice to play at various speeds, which are typically related to one another in mathematical ratios. For example, if a drummer is playing at a certain base speed, he or she could also choose to play at double that speed (a 2:1 ratio), or at half that speed (a 1:2 ratio). This is similar to the practice of polyrhythms found in traditional African music, where multiple rhythms are played simultaneously. The complexity of Indian rhythms also incorporates syncopations, which characteristic of playing off the beat, contributes to a rich tapestry of rhythm that can be challenging to master. The drummers must possess skill and precision to maintain these relationships between various rhythmic speeds during a performance.