In this example, the first couple of measures of Hey Jude by the Beatles are modeled. The vocal score part is shown below:
In a time-based context representation, this excerpt can be visualized like this (click to enlarge):
An equivalent concise contextual tree representation looks like this:
Syntactically, this can be expressed in the MPS language:
title "Hey Jude"
composer "The Beatles"
composition
{
time 4/4, tempo 72, key F
{
harmonicProgression F C C7 F, harmonicRhythm 1 1 1 1
{
instrument vocals
{
rhythm (4) 4 _2.
{
pitches 4 2
{
lyrics "Hey Jude"
}
}
rhythm (8 8 8) 4 _2.
{
pitches 2 4 5 1
{
lyrics "don't make it bad"
}
}
rhythm (8 8) 4 4 _2
{
pitches 1 2 3 7
{
lyrics "take a sad song"
}
}
rhythm (8 8 8) 8 16 16 4 _2
{
pitches 7 6 4 5 4 3 2
{
lyrics "and make it bet-te--r"
}
}
}
}
}
}
A complete version of this song is available in the github example repository.