Articles on songwriting

Some interesting writing about songwriting 

http://www.songwriting.net/blog/bid/56567/Songwriting-Tip-You-Can-Write-Better-Lyrics​

http://www.musicthinktank.com/blog/top-10-rules-for-better-songwriting.html

http://www.soundonsound.com/sos/jan99/articles/20tips.458.htm​