Air on the G String Air on the G String "Air on the G String" is August Wilhelmj's arrangement of the second movement in Johann Sebastian Bach's Orchestral Suite No. 3 in D major, BWV 1068. The arrangement differs from the original in that the part of the first violins is transposed down so that it can be played entirely on a violin's lowest string, "i.e.", the G string. It is played by a single violin (instead of by the first violins as a group). Bach's third Orchestral Suite in D major, composed in the first half of the 18th century, has an "Air" as
Concert pitch D-flat), and are often tuned to match B brass instruments when the two are required to play together. The Stuttgart Conference of 1834 recommended C264 (A440) as the standard pitch based on Scheibler's studies with his Tonometer. For this reason A440 has been referred to as Stuttgart pitch or Scheibler pitch. In 1939, an international conference recommended that the A above middle C be tuned to 440 Hz, now known as "concert pitch". As a technical standard this was taken up by the International Organization for Standardization in 1955 and reaffirmed by them in 1975 as ISO 16. The difference