Bis is a Latin prefix or suffix designating the second instance of a thing, thus preceding ter. An example in recent modern usage is the ITU-T modem standard from the late 20th century, V.32bis. Bis can also refer to:
Pachelbel's Canon in D major, a piece of chamber music scored for three violins and basso continuo and originally paired with a gigue in the same key, experienced a tremendous surge in popularity during the 1970s.
In music theory, a major chord (Play (helpÂ·info)) is a chord that has a root, a major third, and a perfect fifth. When a chord has these three notes alone, it is called a major triad. Major triads with additional notes, such as the major seventh chord, are also called major chords.