Step 1- mental illness on music creation

Step 2- mental illness connection to song lyrics

Step 3- the effect of mental illness on the tone and style of music lyrics

Step 4- Musicians who have mental illness will be apparent in the tone and style of song lyrics.

Step 5- Musicians with mental illness create songs with more emotional themes and dark metaphors

Step 6- Songs consisting of dark or emotional tones and themes may be a result of mental illness among the musicians creating the lyrics.