What does "professional use" mean?
" It is the website user prohibited to sell, trade or distribute the sheet music downloaded from Wikifonia. Private use does not exclude professional use . The website user may download the music sheets for professional purposes but not to trade or sell the music sheets."
What does "professional use" mean? Does it mean that one is allowed to play an arrangement of one own made from a wikifonia leadsheet for a non-paying public? Or even to a paying public?