Reflection Essay 5: Name the instruments of EITHER a basic piphat group, or a nhac tai tu group, and provide the proper Hornbostel-Sachs category for each, along with the role each instrument plays in its respective ensemble.  You might also include distinctive features about the music style itself, in terms of rhythm systems or cycles, use of tuning systems and pitch manipulation, occasions for performances, roles of performers (social class, for example), etc.