#!/usr/bin/python

# song11.py
# create a techno song

# i1 is a general drum
# you pick the amplitude, pitch, and noise to get the right instrument

# i2 is an electric keyboard
# you pick the amplitude, pitch, and wobble and it handles the attack.

iSongLength = 88       # 1:28 long
iFade = 3              # 3 second fade out
iBPM = 150             # main beats per minute

# loud base from 0.4 - 117
iTime = 0              # initialize time
while iTime < iSongLength - iFade:
	iTime += 60.0 / iBPM
	print 'i1 ', iTime, ' 0.1 20000 60 0.03'
#loop

# finish with 3 sec fade out
iCount = 0             # counter gives volume
while iTime < iSongLength:
	iTime += 60.0 / iBPM
	iCount += 60.0 / iBPM
	print 'i1 ', iTime, ' 0.1 ', 20000-(iCount/iFade)*20000, ' 60 0.03'
#loop

# cymbal to break up the beat at 150 bpm between beats
iTime = 0.5 * 60.0 / iBPM
while iTime < iSongLength:
	iTime += 60.0 / iBPM
	print 'i1 ', iTime, ' 0.2 10000 360 0.3'
#loop

#last cymbal is a crash, half strength, longer, noisier
print 'i1 ', iTime, ' 0.6 5000 360 0.6'

# keyboard gives us just a little thing to use, err is it melody?

# first 30% of the song is a thing to get people started..
# 1212 ... 11 .. 2122 

iTime = 2 * 60.0 / iBPM
while iTime < 0.3 * iSongLength:
	iTime += 60.0 / iBPM
	print 'i2 ', iTime, ' 0.3 10000 360 0.3'
	iTime += 60.0 / iBPM
	print 'i2 ', iTime, ' 0.2 10000 460 0.3'
	iTime += 60.0 / iBPM
	print 'i2 ', iTime, ' 0.3 10000 360 0.3'
	iTime += 60.0 / iBPM
	print 'i2 ', iTime, ' 0.2 10000 460 0.3'
	iTime += 3 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.3 10000 660 0.3'
	iTime += 60.0 / iBPM
	print 'i2 ', iTime, ' 0.3 10000 660 0.3'
	iTime += 2 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.2 10000 460 0.3'
	iTime += 60.0 / iBPM
	print 'i2 ', iTime, ' 0.3 10000 660 0.3'
	iTime += 60.0 / iBPM
	print 'i2 ', iTime, ' 0.2 10000 460 0.3'
	iTime += 60.0 / iBPM
	print 'i2 ', iTime, ' 0.2 10000 460 0.3'
	iTime += 2 * 60.0 / iBPM
#loop

# 30%-end of the song is a slower part..
# 1234 23434 113 003

iKey0 = 260
iKey1 = 360
iKey2 = 460
iKey3 = 560
iKey4 = 760

while iTime < iSongLength - iFade:
	iTime += 2 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.6 10000 ', iKey1, ' 0.1'
	iTime += 2 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.2 10000 ', iKey2, ' 0.1'
	iTime += 2 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.3 10000 ', iKey3, ' 0.1'
	iTime += 2 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.2 10000 ', iKey4, ' 0.1'
	iTime += 4 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.3 10000 ', iKey2, ' 0.1'
	iTime += 2 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.3 10000 ', iKey3, ' 0.1'
	iTime += 2 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.2 10000 ', iKey4, ' 0.1'
	iTime += 2 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.3 10000 ', iKey3, ' 0.1'
	iTime += 2 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.2 10000 ', iKey4, ' 0.1'
	iTime += 4 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.2 10000 ', iKey1, ' 0.1'
	iTime += 2 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.2 10000 ', iKey1, ' 0.1'
	iTime += 2 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.3 10000 ', iKey3, ' 0.1'
	iTime += 4 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.2 10000 ', iKey0, ' 0.1'
	iTime += 2 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.2 10000 ', iKey0, ' 0.1'
	iTime += 2 * 60.0 / iBPM
	print 'i2 ', iTime, ' 0.2 10000 ', iKey3, ' 0.1'
	iTime += 2 * 60.0 / iBPM
#loop