Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Leading tone:

This text has been unreferenced on Wikipedia for a very long time. If you can't find a source, be bold and remove it!

"

By contrast, a descending, or upper, leading tone[1][2] is a leading tone that resolves down, as opposed to the seventh scale degree (a lower leading tone) which resolves up. The descending, or upper, leading tone usually is a lowered second degree (scale degree 2) resolving to the tonic, but the expression may at times refer to a scale degree 6 resolving to the dominant.[citation needed] In German, the term Gegenleitton ("counter leading tone") is used by Hugo Riemann to denote the descending or upper leading-tone (scale degree 2),[3] but Heinrich Schenker uses abwärtssteigenden Leitton[4] ("descending leading tone") to mean the descending diatonic supertonic (scale degree 2).)