I have a number of DVD music videos stored on a media player. They are in ISO format.I wish to make a compilation on DVD which will play on standard DVD players. I have been told that I need to extract and combine the files to enable the process. I searched the web and downloaded an app called PowerIso. However I cannot get it to work. I am reasonably good with computer stuff but this has me stumped. Is there an easy straight forward app out ther that I can use? Thank you in advance.