Beethoven piano sonata op. 49 no.1
this piece is full of secondary dominants
Schubert Impromptu op. 142 No.3 B flat major
In measures 1-8, there are secondary dominants of the dominant
Mendelssohn Songs Without Words Op.19 No.1
Here, there are many secondary dominants of the dominant
Felix Mendelssohn - Songs without Words - Op.53, No.1
In this piece, there are many secondary dominants of the subdominant
Franz Schubert - Andante in A Major (D. 604)
This piece is full of secondary dominants of the submediant
Schumann Piano Concerto in a minor, Op.54, 2nd & 3rd movements
This piece modulates using secondary dominants
SCHUMANN, Intermezzo op 4 No 4
This piece is full of borrowed chords
Chopin Nocturne in C# minor, op. posth.
Near the end of the piece, there is a borrowed ii°
At the bebining of the piece, there is a German sixth as well.
Chopin prelude, Op.28 No. 20
this piece contains the Neapolitan triad
Beethoven, Piano Sonata Op. 31, No. 1, 2nd movement
This piece modulates using secondary dominants.
Beethoven Piano sonata Op. 81a 1st movement
This piece contains the Augmented 6th chord