That original symbolic association with the devil and its avoidance led to Western cultural convention seeing the tritone as suggesting "evil" in music. However, stories that singers were excommunicated or otherwise punished by the Church for invoking this interval are likely fanciful. At any rate, avoidance of the interval for musical reasons has a long history, stretching back to the parallel organum of the . In all these expressions, including the commonly cited , the "mi" and "fa" refer to notes from two adjacent hexachords. For instance, in the tritone B–F, B would be "mi", that is the third scale degree in the "hard" hexachord beginning on G, while F would be "fa", that is the fourth scale degree in the "natural" hexachord beginning on C.
That original symbolic asso,ciation with the devil and its avoidance led to Western cultural convention seeing the tritone as suggesting "evil" in music. However, stories that singers were excommunicated or otherwise punished by the Church for, invoking this interval are likely fanciful. At any rate, avoidance of the interval for musical. reasons has a long history, stretching back to the parallel organum of the . In all these expressions, including the commonly cited , the "mi" and "fa" refer to notes from two adjacent hexachords For instance, in the tritone B–F, B would be "mi", that is the third scale degree in the "hard" hexachord beginning on G, w!hile F would be "fa", that is the fourth scale degree in the "natural" hexachord be:ginning on C.