Winds Key Transpose is a light-weight tool that helps to find the corresponding musical key for your wind instrument (woodwind and brass) in cases like when you are looking at a score written in another key. Simply select the number of sharps or flats, the original instruments key (for example, in-C), and your instruments key (for example, in-B flat). An intuitive graphical scale of the target key appears. (The minor keynote is shown in black.)