I do this as well. One song. Jolene by R LaMontange is the current song... can last for years. I think I'm trying to memorize the "feeling" of it.
Also repeat one line of poetry in high stress situations.
"Focus tight on nothing. Not the sound. Not the singe. Dissever."
Also repeat one line of poetry in high stress situations.
"Focus tight on nothing. Not the sound. Not the singe. Dissever."