The codename of Apple's MacOS 9.1. It follows the same "musical" codenames as other releases of the operating system (Sonata, Allegro, Gershwin, and Copland for example).

In dynamics music notation, fortissimo is abbreviated 'ff' and indicates that the music from that point on should be very loud. The word means "very loudly" in Italian.

When added to the staff, it looks something like this (complete with eighth notes):


    /\                                                     
---| /----------------------------------------------------
   |/                                                      
---/---------------*---------*---------*---------*--------
  /|              |         |         |         |         
-/-|/\--------*---|-----*---|-----*---|-----*---|---------
|  |  |      |    |    |    |    |    |    |    |         
|--|--|------|----|----|----|----|----|----|----|---------
 \ |  |      |____|____|____|____|____|____|____|         
--\|_/----------------------------------------------------
   |                                                       
  \|       ff

For*tis"si*mo (? ∨ ?), adv. [It., superl. of forte, adv. See Forte, adv.] Mus.

Very loud; with the utmost strength or loudness.

 

© Webster 1913.

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