Use replace to replace all non alpha chars in the lyric
with nothing
replace double and triple spaces with one space
use split to split on spaces
With each word insert into IndexTable the word
on fail who cares the word is only needed once.
in LyricsToWords table insert WordID and LyricID

Many lyrics to many Words through LyricsToWords

Searches will be much faster on Words you can provide list
of lyrics containing words.