Bach, Brandenburg Concerto no. 4 in G major (BWV 1049)

J. S. Bach's fourth Brandenburg Concerto, accompanied by a graphical score.
FAQ

Q: Where can I get the sheet music for this piece?
A: Here:
http://www.musanim.com/pdf/bwv1049.pdf

Q: Who is playing this piece?
A: This performance is by the Bach Collegium Japan. You can buy the complete CD here:
http://www.amazon.com/Bach-Brandenbur...

Q: What do the horizontal and vertical lines mean?
A: The vertical lines show the measures (bar-lines); the horizontal lines show the positions of the treble and bass staves.

Q: What about the rest of the Brandenburg Concertos?
A: I've made animated graphical scores for all of them:
https://www.musanim.com/BrandenburgCo...

Q: I appreciate the animated graphical scores you make; how can I help?
A: There are many ways you can support my work:
free: watch my videos, like them, and share them with friends
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Q: Could you please do a MAM video of _________?
A: Please read this:
http://www.musanim.com/requests/