gives the frequency of the note E in octave 2.
Details and Options
  
    
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 Music`
   Music`
  E2
gives the frequency of the note E in octave 2.
Details and Options
- To use E2, you first need to load the Music Package using Needs["Music`"].
 - E2 is the name of a pitch in the standard equal-tempered scale.
 - The frequency is measured in Hertz.