Fun fact: I've beat World 1-1 with my eyes closed before, true story.
Super Mario Bros. World 1-1 Music & Sound Effects On Bandura and Accordion

This is a video of Ukrainian duet the B&B Project performing the music and sound effects from Super Mario Bros. World 1-1 on bandura and accordion, with the guy on accordion performing the music, and the girl on bandura performing the sound effects. They do a great job. As great a job as my last musical performance? Depends on how you feel about the entire audience getting their faces melting off and/or catching fire. “They were all dolls?” And stuffed animals, I must have staged the pyrotechnics show too close to my toy box.