Game character composer

So what if there was a game and the first time you turned it on there was no music.  The. You start the game and as the character wakes up the music fades in. No knowledge is given to the character as a bar appears in the top, slowly filling. 

Day 1 

The character goes through a normal day.

(Depending on choices made the music will change) 

After completing the first day an achievement goes off that says First day.

After first day the main menu gains music(specifically first day) 

Game is called Composed