+C7 is a [musical chord](/wiki/Chord), specifically a dominant seventh built upon the root note [C Note](/wiki/C_Note). It introduces a characteristic tension, often signaling an impending resolution in musical harmony.
+## See also
+- [Chord Progression](/wiki/Chord_Progression)
+- [Dominant Chord](/wiki/Dominant_Chord)
+- [Seventh Chord](/wiki/Seventh_Chord)
... 1 more lines