Welcome to the new page about instruments. Visually this will probably improve after having organized the content first.

Click below for a compact reader, written by former colleagues Theo Pulles and Wim van Binsbergen, used by permission:

Dutch: webversion or pdf for printing
English: webversion or pdf for printing

There are various great resources for composers and arrangers:
The Vienna Library Academy tells you pretty much everything you need to know about instruments.
Http:// was made by harpists to help composers.

Check out this beautiful Frequency Spectrum Chart for the range of the most common instruments.

You need to know the clefs and transpositions of these instruments by heart: