Beatles: Hey Jude

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.