Can I thank you personally for introducing me to Tommy Toussaint's music? I even told him about your game on his FB page!
Now concerning the game: I'm not a good multi-tasker myself, but I think the controls are bit clunky still. I'd be in support of a self-assigned key binding option, if possible.
tosubuckeyes: The original song is called "Asturias (Leyenda)" by Isaac Albéniz. The Doors sampled the song for the intro.
The song at the end is Frühlingslied (Spring Song) by Mendelssohn.
Hope this helps answer anyone else wondering about it! :)
 "I Don't Wanna Cry"){kind=tracking}
 "A small talk at the back of beyond"){kind=icon}
 "Friends Apartment Hidden Objects"){kind=icon}
 "Snail"){kind=icon}
 "Penguin Overlords"){kind=icon}
 "Sweet Doughnuts Room Escape"){kind=icon}
 "Girl's Bedroom Escape"){kind=icon}
 "Charger Escape"){kind=icon}
 "Sapphire Room Escape"){kind=icon}
 "Killer Escape"){kind=icon}
 "After Years in Dark Tunnels"){kind=icon}
 "Papa's Hot Doggeria"){kind=icon}
 "Caesar's Day Off"){kind=icon}
 "Reincarnation: In The Name Of Evil"){kind=icon}
 "Deep and Blue"){kind=icon}
 "First Day at School"){kind=icon}
 "Mastermind: World Conquerer"){kind=icon}