It's okay if you don't know
Example: Transposing from a C instrument to a B-flat instrument.
Move the key up one whole step (or whole tone).
Our key of C Major transposes to a key of D Major. Likewise, G Major would transpose to A Major, B-flat Major to C Major, and so on.
Sory
An invisible line, known as the 180 DEGREE LINE or AXIS OF ACTION, runs through the space of the scene. The camera can shoot from any position within one side of that line, but it may never cross it. This convention ensures that the shot will have consistent spatial relations and screen directions.
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