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What is the fingering for the 1st and 2nd positions for the violin?
and is there a diagram that shows you the note for all the strings on a harp, and how to do a sharp and natural?

The modern orchestral harp has 47 strings and evolved through a series of formats which attempted to solve the problem of chromaticism. The final version, a "double action" harp, was patented in 1810 by Sebastian Erard of Paris and enabled the performer to alternate the pitch of each string between flat, natural, and sharp by moving a pedal between three individual positions (see illustration).



The pedals are organized in the following order, and are easily remembered by the phrase "DidColumbus Bring Enough Food Going (to) America."



The strings are lengthened and shortened (thus changing the pitch) by a complex mechanism which runs from the pedals up through the column and into the neck. There are two forked disks for each note on the outside plate that twist against the string when deployed. For example, when a pedal is moved from flat to natural, the top disk turns and pulls the note up a half-step. When the pedal is moved again from natural to sharp the note raises a second time.



Thus notated in the score:


VIOLIN:
1st position:


3rd position:

some of the pictures aren't working, but thanks for the other pictures

oh! their working now