seven nation army physics project cover (homemade instruments)

this is our project for physics. we had to create a homemade instrument and the instrument has to make a 8 note scale. we picked seven nation army cuz we wouldnt butcher the song that much. but we performed it at a fund rasier for fun. so cut us some slack. we did this all by scratch. and the lyrics has to be about physics. so plz dont bash us this is for fun. but comment suscribe rate... eric is the one with the slippers and the one talkins ish singing is me linda :) im the azznnnn