"""
Authors: Peter Mawhorter
Consulted:
Date: 2022-01-21
Purpose: SOLUTION for Lab01 melody exercises
"""

from wavesynth import *

# Set our starting pitch
setPitch(C4)

# Add 4 1/4 second notes
addNote(0.25)
climbUp(1)
addNote(0.25)
climbUp(1)
addNote(0.25)
climbDown(2)
addNote(0.25)

# Rewind to start and add beats on the 1st and 3rd note
rewind(1)
quieter(2)
addBeat(0.25)
addRest(0.25)
addBeat(0.25)

# Set pitch one octave lower
setPitch(C3)

# Rewind to start and add a chord of 1-second notes
# By using '4' and '3' half-steps between these notes, we get a "major"
# chord that sounds cheerful. If we used 3 and then 4 half-steps, we'd
# get a "minor" chord that sounds sad.
rewind(1)
addNote(1)
rewind(1)
halfStepUp(4)
addNote(1)
rewind(1)
halfStepUp(3)
addNote(1)

saveTrack("melody.wav")
playTrack()