Bob has an advantage. He goes in for sports and takes care of his health. This means that he will have less problems with health than John in the future.
There are a lot of different kinds of music: fork, jazz, rock, pop, rap, classical. Music can be old and modern. Musci can be Russian and foreign. People listen to different kinds of music. Old people prefer jazz , classical, old music. Teenages prefer to listen to modern heavy music. Girls prefer listening to pop music. Boys prefer rap and rock. Tastes differ.