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Music of Portal 2. Music of. Portal 2. Portal 2 is a physics-based puzzle-platform game created by Valve and released on Microsoft Windows, Mac OS X, PlayStation 3, Xbox 360 and Linux in April 2011, followed by a Nintendo Switch version in June 2022. The game, set in the desolate, labyrinthine Aperture Science facility, challenges the player to ...
Portal 2 is a 2011 puzzle-platform game developed by Valve for Windows, Mac OS X, Linux, PlayStation 3, and Xbox 360. The digital PC version is distributed online by Valve's Steam service, while all retail editions were distributed by Electronic Arts. A port for the Nintendo Switch was included as part of Portal: Companion Collection .
D♯ (musical note) D♯ ( D-sharp) or re dièse is the fourth semitone of the solfège . It lies a chromatic semitone above D and a diatonic semitone below E, thus being enharmonic to mi bémol or E ♭. However, in some temperaments, it is not the same as E ♭. E ♭ is a perfect fourth above B ♭, whereas D ♯ is a major third above B.
Piano key frequencies. This is a list of the fundamental frequencies in hertz (cycles per second) of the keys of a modern 88-key standard or 108-key extended piano in twelve-tone equal temperament, with the 49th key, the fifth A (called A 4 ), tuned to 440 Hz (referred to as A440 ). [ 1][ 2] Every octave is made of twelve steps called semitones.
The second movement from Charles-Valentin Alkan's Grande sonate 'Les quatre âges', subtitled Quasi-Faust, is also in D-sharp minor (but ends in F-sharp major), and modulates into even sharper keys along the way, some even being theoretical keys, such as G-sharp major and D-sharp major. In a few scores, 6-sharp key signatures in the bass clef ...
The key is also appropriate for guitar music, with drop D tuning making two D's available as open strings. For some beginning wind instrument students, however, D major is not a very suitable key, since it transposes to E major on B ♭ wind instruments, and beginning methods generally tend to avoid keys with more than three sharps.
D-sharp. D-sharp or D♯ may refer to: The musical pitch D♯. D-sharp major musical scale. D-sharp minor musical scale.
The flattened pitches of D-flat major correspond to the black keys of the piano, and there is much significant piano music written in this key. Pyotr Ilyich Tchaikovsky's Piano Concerto No. 1 is written in B-flat minor, but the famous opening theme is in D-flat major. Tchaikovsky composed the second movement of Piano Concerto No. 1 also in D-flat.