The Rudiments of Musical Knowledge

I was all a QUAVER
As he WALTZ'd me a-ROUND,
Then he changed the TEMPO
And we TANGO'd to the sound,
It only took a MINUETTE
His FLAT was very small
And I bowed out, RALLENTANDO,
Before the curtain call.
The PHRASE he used was simple,
STACCATO and quite BASS,
And I gathered from the DIATONIC
Look upon his FACE,
That I'd better ALLEGRETTO
Before he made me stay
To REPEAT FROM THE BEGINNING
In some other RHYTHMIC way.
I CODA stayed, I CODA,
But I JIVE'd off to the BAR
And COMPOSED myself a moment
With an iced TONIC SOL-FA,
TRANSPOSED I felt much better
And called a METRA-NOME
But as I fumbled for my KEYI heard his dulcet TONE,
He said don't worry I'll be BREVE
And then he PAUSE'd to REST
He'd SCALE'd the stairs in DOUBLE TIME
And had to BEAT his chest,
The moment was CHROMATIC
But his TIMING was just right
And when he said "Let's TIE THE DOT"
I had to PLAY BY SIGHT,
My KEY became quite MINOR
As we stood atop the stairs
And I ACCIDENTAL-ly dropped it,
Not altogether fair
Because he had to CROTCHET down
And whilst on bended knee
I answered, AD LIBITUM,
"Yes," in PERFECT HARMONY,
The change in me was MAJOR
My SIGNATURE became
An ORNAMENTAL sounding SHARP
A quite AUGMENTED name,
We learned the RUDEMENTS quite fast,
DUETS were slightly naughty,
He TRILL'd me then and TRILL'S me now,
Although he's well past FORTE.