Search song by key

I have been looking for quite some time to be able to find music by its key or by some other theoretical variable. This thing is great and has saved me a ton of time clicking through deeper and deeper into sites to get the info I need. Then you have to come out again to do another search. With guitar Tunings db I can search and find results instantly. I am also able to add my own rows to the database so to easy document the music that I am using or listening to. Thanks for this great way to search for the theoretical fundamentals in music. Great work! I am surprised this has not been done already. I only wish I could see more than the 14 rows! Maybe that will become a future update? See the database here www.gtdb.org/guitar_tunings_list.php