Diminished sevenths

The seventh chord on the leading note of a minor key: four notes a minor 3rd apart. Building it, its four positions, where it goes, and writing its 7th.

Start with Building a diminished seventh. In 12 minutes you will be able to build the diminished seventh.

Brainlag's own Grade 7 level course, not an exam board's syllabus. Every example and question is original. Results are Brainlag estimates.