Example:
Title: Piano Sonata in C Minor, Op. 13
Nickname: Sonate Pathètique
Movement: Movement I
Form: Sonata Allegro
Irregularities: Return of slow introduction at the end of the exposition and recapitulation.
Style Period: Early

Example #101
Title: Piano Sonata in C Minor, Op. 13
Nickname: Sonate Pathètique
Movement: Movement II
Form: Rondo ABACA

Example:
Title: Piano Sonata in C Minor, Op. 13
Nickname: Sonate Pathètique
Movement: Movement III
Form: Sonata Rondo ABACA coda

Example #103
Title: Symphony No. 3 in E-flat Major
Nickname: Eroica Why: Meant for Napolean Bonapart, rededicated "Heroic Symphony"
Movement: Movement I
Form: Sonata Allegro
Irregularities: Either three transitions or three dominant key secondary themes in the exposition. Horn entrance with the theme seems early before the recapitulation.
Style Period: Middle

Example:
Title: Symphony No. 5 in C Minor, Op. 67
Movement: Movement I
Form: Sonata Allegro
Irregularities: Oboe cadenza in recapitulation. New theme developed in coda. Ends in C Major instead of C Minor.
Unifying factor: Four-note motive. Knock of fate.
Style Period: Middle

Example #104a
Title: String Quartet in C-sharp Minor, No. 14, Op. 131.
Movement: Movement I
Form: Fugue
Irregularities: The answer is in the subdominant instead of the dominant
Style Period: Late

Example #104b
Title: String Quartet in C-sharp Minor, No. 14, Op. 131.
Movement: Movement II
Form: Ternary or Shortened Sonata Allegro