Mechanical royalties are paid to the owner or administrator of the composition whenever a copy of one of their songs is made. Each time a consumer purchases a sound recording or streams a recording on demand, music publishers are owed a mechanical royalty, which is then passed on to the songwriter.
The Magic of Song Writing
Like all great musicians, great songwriters are probably born, not made. No tutor, no book, no course, can make you write songs that embed themselves in the memory of a generation.