sonicpi/lesson_2.rb
def play_a5_3_powerchord()
  play :A3
  play :E4
  play :A4
end
# we can also write our own
we can also write our own
we can also write our own
def play_a5_3_powerchord()
  play :A3
  play :E4
  play :A4
end
def play_a5_3_powerchord ( ) play :A3 play :E4 play :A4 end
we can also write our own
we can also write our own