answer the following questions....... due tomorrow

Please answer each of the following questions and must be done by tomorrow!!! no late!!!!  minimum 3 sentences for an answer 

For the question related to my "your field study" based the answer in the law field of legal administrator. 

1. In your fieldwork study, what are the pros and cons of participating versus observing?
   
2. What four approaches can you take to select a subject for your musical ethnography?
3. What ethical issues arise in fieldwork?
4. What gear will you need when you do your fieldwork project (ethnography)? How will you obtain it?
5. What is documentation, description and interpretation, and how are they related in a musical ethnography?