Harmonising
Choosing chords for a longer melody: cadence first, then working backwards, in major and minor keys.
Start with Cadence first. In 12 minutes you will be able to harmonise a melody, cadence first.
Lessons
Practise and test
Brainlag's own Grade 7 level course, not an exam board's syllabus. Every example and question is original. Results are Brainlag estimates.