GENE / MIDI-Drummer-Tiny-0.5006 / eg / syncopation / lesson-07.pl 

            

              
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#!/usr/bin/env perl
use strict;
use warnings;
# Adapted from the book "Progressive Steps to Syncopation for the Modern Drummer"
# https://www.amazon.com/dp/0882847953
use MIDI::Drummer::Tiny::Syncopate;
my $bpm = shift || 100;
my $d = MIDI::Drummer::Tiny::Syncopate->new(
    bpm    => $bpm,
    file   => "$0.mid",
    kick   => 36,
    snare  => 40,
    reverb => 15,
);
$d->sync(
    \&snare,
    \&kick,
    \&hhat,
);
$d->write;
sub snare {
    $d->combinatorial( $d->snare, {
        count => 1,
        vary  => {
            0 => sub {
                $d->note( $d->triplet_eighth, $d->snare );
                $d->note( $d->triplet_eighth, $d->snare );
                $d->note( $d->triplet_eighth, $d->snare );
            },
            1 => sub {
                $d->note( $d->eighth, $d->snare );
                $d->note( $d->eighth, $d->snare );
            },
        },
    });
}
sub kick {
    $d->steady( $d->kick );
}
sub hhat {
    $d->steady( $d->closed_hh );
}