"(1) The song that will describe how you will die"

Um... What? Probably "Whatever It Takes" or something.

"(2) The song that describes your love life"

"Satisfied".

"(3) The song you will play on your wedding day"

"(4) Add "in my pants" at the end of the title."

"Nicole Meets Richard in my pants"...?

"(5) This song will play at your funeral"

Ooh! You're dark, I like it! ♡

"Who Lives, Who Dies, Who Tells Your Story" or...

"(6) Add "with a shovel and a screwdriver" to the song"

🎶~Hear my voice with a shovel and a screwdriver~🎶

"(7) This song describes your week"

"Here's a song to get to know about me".

"(8) This song is your theme song"

Either

Or

"(9) The song you play when you think of someone you love"

"Shatter Me".

"(10) This song will play when you miss someone"