Gradus Ad Parnassum by Debussy (with beep command)

gradus_ad_parnassum.sh

#!/bin/bash
# Gradus Ad Parnassum by Debussy (with beep command)

if [ $USER != 'root' ]; then
    echo "beep command requires root permission!"
    exit 1
fi

modprobe pcspkr

 A1=55.0
Bb1=58.270470189761156
 B1=61.73541265701542
 C1=65.40639132514957
Db1=69.29565774421793
 D1=73.4161919793518
Eb1=77.78174593052012
 E1=82.40688922821738
 F1=87.30705785825087
Gb1=92.4986056779085
 G1=97.99885899543722
Ab1=103.82617439498618
 A2=110.0
Bb2=116.54094037952237
 B2=123.4708253140309
 C2=130.8127826502992
Db2=138.59131548843592
 D2=146.83238395870364
Eb2=155.56349186104035
 E2=164.81377845643485
 F2=174.61411571650183
Gb2=184.9972113558171
 G2=195.99771799087452
Ab2=207.65234878997245
 A3=220.0
Bb3=233.08188075904488
 B3=246.94165062806198
 C3=261.6255653005985
Db3=277.182630976872
 D3=293.66476791740746
Eb3=311.1269837220808
 E3=329.62755691286986
 F3=349.2282314330038
Gb3=369.99442271163434
 G3=391.99543598174927
Ab3=415.3046975799451
 A4=440.0
Bb4=466.1637615180899
 B4=493.8833012561241
 C4=523.2511306011974
Db4=554.3652619537443
 D4=587.3295358348153
Eb4=622.253967444162
 E4=659.2551138257401
 F4=698.456462866008
Gb4=739.988845423269
 G4=783.990871963499
Ab4=830.6093951598907
 A5=880.0000000000003
Bb5=932.3275230361803
 B5=987.7666025122488
 C5=1046.5022612023952
Db5=1108.7305239074892
 D5=1174.659071669631
Eb5=1244.5079348883246
 E5=1318.5102276514808
 F5=1396.912925732017
Gb5=1479.977690846539
 G5=1567.9817439269987
Ab5=1661.218790319782
 A6=1760.000000000002
Bb6=1864.6550460723618
 B6=1975.5332050244986
 C6=2093.0045224047913
Db6=2217.4610478149793
 D6=2349.3181433392633
Eb6=2489.0158697766506
 E6=2637.020455302963
 F6=2793.8258514640347
Gb6=2959.9553816930793
 G6=3135.963487853999
Ab6=3322.437580639566
 A7=3520.0000000000055
Bb7=3729.310092144725
 B7=3951.0664100489994
 C7=4186.009044809585
Db7=4434.922095629961
 D7=4698.636286678529
Eb7=4978.031739553304
 E7=5274.040910605929
 F7=5587.651702928073
Gb7=5919.910763386162
 G7=6271.926975708001
Ab7=6644.875161279136
 A8=7040.000000000014
Bb8=7458.620184289454
 B8=7902.132820098003
 C8=8372.018089619174

tempo=160

length4=`ruby -e "print 60.0 / $tempo * 1000"`
note4=`ruby -e "print 60.0 / $tempo * 1000 * 0.9"`
rest4=`ruby -e "print 60.0 / $tempo * 0.1"`

length1=`ruby -e "print $length4 * 4"`
note1=`ruby -e "print $note4 * 4"`
rest1=`ruby -e "print $rest4 * 4"`

length2=`ruby -e "print $length4 * 2"`
note2=`ruby -e "print $note4 * 2"`
rest2=`ruby -e "print $rest4 * 2"`

length8=`ruby -e "print $length4 / 2"`
note8=`ruby -e "print $note4 / 2"`
rest8=`ruby -e "print $rest4 / 2"`

length16=`ruby -e "print $length4 / 4"`
note16=`ruby -e "print $note4 / 4"`
rest16=`ruby -e "print $rest4 / 4"`

function note1 {
    beep -f $1 -l $note1
    sleep $rest1
}

function note2 {
    beep -f $1 -l $note2
    sleep $rest2
}

function note4 {
    beep -f $1 -l $note4
    sleep $rest4
}

function note8 {
    beep -f $1 -l $note8
    sleep $rest8
}

function note16 {
    beep -f $1 -l $note16
    sleep $rest8
}

function rest4 {
    sleep $length4
}

function rest8 {
    sleep $length8
}

function rest16 {
    sleep $length16
}

note16 $C3
note16 $G3
note16 $C4
note16 $D4
note16 $E4
note16 $G3
note16 $C4
note16 $E4
note16 $D4
note16 $F3
note16 $C4
note16 $D4
note16 $F4
note16 $A4
note16 $B4
note16 $F4

note16 $E4
note16 $G3
note16 $C4
note16 $E4
note16 $G4
note16 $B4
note16 $C4
note16 $G4
note16 $F4
note16 $A4
note16 $C4
note16 $F4
note16 $A5
note16 $B4
note16 $F4
note16 $A5

note16 $G4
note16 $C4
note16 $E4
note16 $G4
note16 $C5
note16 $E4
note16 $G4
note16 $C5
note16 $D5
note16 $E4
note16 $G4
note16 $D5
note16 $C5
note16 $E4
note16 $G4
note16 $C5

note16 $B5
note16 $E4
note16 $G4
note16 $B5
note16 $A5
note16 $E4
note16 $G4
note16 $A5
note16 $G4
note16 $C4
note16 $E4
note16 $G4
note16 $F4
note16 $C4
note16 $E4
note16 $F4

note16 $E4
note16 $B4
note16 $C4
note16 $E4
note16 $D4
note16 $A4
note16 $C4
note16 $D4
note16 $G4
note16 $B4
note16 $E4
note16 $G4
note16 $A5
note16 $C4
note16 $E4
note16 $A5

note16 $E4
note16 $A4
note16 $C4
note16 $E4
note16 $D4
note16 $A4
note16 $C4
note16 $D4
note16 $C4
note16 $G3
note16 $A4
note16 $C4
note16 $B4
note16 $F3
note16 $G3
note16 $B4

note16 $F2
note16 $C3
note16 $D3
note16 $E3
note16 $F3
note16 $A4
note16 $C4
note16 $D4
note16 $E4
note16 $D4
note16 $C4
note16 $A4
note16 $F3
note16 $E3
note16 $D3
note16 $C3

note16 $F2
note16 $C3
note16 $D3
note16 $E3
note16 $F3
note16 $A4
note16 $C4
note16 $D4
note16 $E4
note16 $D4
note16 $C4
note16 $B4
note16 $A4
note16 $E3
note16 $D3
note16 $C3

note16 $F2
note16 $C3
note16 $D3
note16 $E3
note16 $F3
note16 $Ab3
note16 $C4
note16 $D4
note16 $E4
note16 $D4
note16 $C4
note16 $A4
note16 $F3
note16 $E3
note16 $D3
note16 $C3

note16 $F2
note16 $C3
note16 $D3
note16 $E3
note16 $F3
note16 $Ab3
note16 $C4
note16 $D4
note16 $E4
note16 $D4
note16 $C4
note16 $Bb4
note16 $A4
note16 $E3
note16 $D3
note16 $C3

note16 $E2
note16 $B3
note16 $E3
note16 $Ab3
note16 $B3
note16 $E3
note16 $Ab3
note16 $B4
note16 $E3
note16 $Ab3
note16 $B4
note16 $E4
note16 $Ab3
note16 $B4
note16 $E4
note16 $Ab4

note2 $E4

modprobe -r pcspkr