Product Description
Theme and Variations on TRSCH is a piece that is suitable for concert use. As one plays the piece, one shall realize that each variation has its own character. The work also may be used for educational purposes in that it teaches students on how a theme is transformed rhythmically and arranged melodically.
Theme And Variations On TRSCH For Organ by Thomas R. Schadl consists of seven variations that are based on TRSCH (B flat, D, E flat, C, and B or A# D D# C B). It is written using the serial technique, the compositional method where a row of notes are arranged in direct, reverse, inverse and retrograde-inverse orders. The technique employed is not as strict as the 12-tone system used in the compositions of Arnold Schoenberg and Anton Webern. In a standard theme and variations form, the melody may be altered by adding or subtracting notes, or changing it rhythmically, but it is not the case in the piece being discussed. Most variations do not follow the rhythmic pattern of the main theme; rather, the theme in each variation is treated in fragments, lengthened note values, shortened note values, inversions and reversed orders.
Each variation explores moods and the work is organized this way:
Main Theme: m 1-6 TRSCH is stated in the bass.
Variation I: m 7-22 Fugato
Variation II m 23-50 Mystical quality and lyrical
Variation III m 51-88 Scherzo, lyrical section, scherzo
Variation IV m 89-116 Toccata
Variation V m 117-224 Mystical mood, scherzo, mystical mood
Variation VI m 225-297 Toccata, brief lyrical section, toccata
Variation VII m 298-317 Variation I but at a slower speed.
Forward Reverse
A# D D# C B F F # A G# E
F# A# B G# G C# D F E C
F A A# G F# C C# E D# B
G# C C# A# A D# E G F# D
A C# D B A# E F G# G D#
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