Chris Gorog is convinced that people won't continue to pay $1 a song for online music. That is despite Apple's string of recent achievements, including 200 million songs sold at its iTunes Music Store, and nearly 4 million iPod digital music players moved into consumers' homes in 2004. Gorog runs Apple rival Napster (www.napster.com), which offers digital downloads and a music subscription deal. Consumers get unlimited access to listen to 700,000 songs for $9.95 monthly. The hitch is that to move songs onto a portable digital device or to a CD costs extra: $1 a song. That's one of the...