A tool designed to assist musicians, particularly composers and theorists, helps determine and utilize secondary dominant chords. For example, a user might input a target chord, such as V/vi (five of six), and the tool would output the appropriate secondary dominant chord, in this case A7 in the key of C major. This allows for quicker harmonic analysis and facilitates experimentation with complex chord progressions.
Understanding and applying these chords can enrich musical compositions, adding color and a heightened sense of harmonic motion. They create a temporary tonal shift, increasing the pull toward a specific chord. This technique has been employed by composers for centuries, adding depth and complexity to their works, particularly in Western classical music and jazz. The advent of digital tools simplifies the process of identifying and employing these sophisticated harmonic devices, making them accessible to a wider range of musicians.