It is difficult to memorize MIDI Continuous Control number yet you need it to program your MIDI devices such as synthesizer, virtual instrument, lighting system, etc.
This Widget let you type MIDI Continuous Control number to find its description, or find related CCs by keyword, or even finds Undefined free spaces.
In a studio environment where standing waves in a range can mess up your perception of the actual sound. A so-called standing wave is a resonating frequency between, e.g. 2 parallel walls which distance is the same (or even 2 or more times) as the actual wave length.
A-NO-NE Wave Length Calc will help you find the location of the offending reflection.