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CAT CaSe

CAT CaSe is an Android app, entirely based on an improved version of CAT (Cataldo Advanced Transformations), e...

$ 3.49

Store review

CAT CaSe is an Android app, entirely based on an improved version of CAT (Cataldo Advanced Transformations), expressly meant for musicians (professionals and students).
The app allows to instantly carry out a detailed analysis of any harmonic progression, without any exception whatsoever. All the phases that constitute the analysis are shown to the user, and the Harmonic Substitutions that occur are accurately discussed. For instance, every time the app resorts to the so-called "Modal Interchange", the scales between which the parallelism is set are revealed (CAT CaSe can compare up to 35 scales/modes), highlighting the degrees which are involved. CAT CaSe, moreover, can recognize and contextualize possible "Harmonic Enrichments", such as "Tonicizations" and "Expansions" (half-cadences arisen from a single Dominant Seventh Chord). CAT CaSe is provided with a short didactic section, finalized to rigorously defining all the Harmonic Substitutions and the Enrichments.
The writing of harmonic progressions is extremely simple and incredibly fast, thanks to the introduction of an innovative interface that allows the user to completely avoid the usage of the alphanumeric keypad. For this reason, CAT CaSe turns out to be very useful during live performances, especially if it is necessary to quickly and comprehensibly write, by exploiting an Android device (smarthpone or tablet), a harmonic progression the musician must abide to during the accompaniment or the improvisation.
After the analysis, CAT CaSe allows the user to examine an "inverse procedure", particularly dedicated to musicians interested in composing and arranging. In a few words, starting from the final outcome of the analysis (very often, a sequence of plagal and/or perfect cadences), the app returns, step by step, the initial progression. As a useful additional feature, on the first page of the inverse procedure the parametric version (regardless of the particular key) of the final outcome is also shown.

Last update

July 7, 2019

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