What does TT mean in Music?
This page is about the meanings of the acronym/abbreviation/shorthand TT in the Community field in general and in the Music terminology in particular.
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What does TT mean?
- terrestrial time, TT, terrestrial dynamical time, TDT, ephemeris time(noun)
- (astronomy) a measure of time defined by Earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth's motions