1.  International Confederation of Societies of Authors and Composers
     http://www.cisac.org

2. Intellectual Property Office of Singapore
    http://www.ipos.gov.sg

3. Music Publishers (Singapore) Ltd
    http://www.mps.org.sg

4. Recording Industry Association (Singapore)
    http://www.rias.org.sg

5. Recording Industry Performance Singapore Pte Ltd 
    http://www.rips.com.sg