Songbook for naturæ album
The songbook with all the tabs and standard notation from the album naturæ is available at Amazon. You have the option to buy it in printed version or the digital version for Kindle.
The next links are for Amazon US:
  |
Printed version (English) |
 |
Digital version (English) for Kindle |
If you are outside US, here are the links for other Amazon stores:
Printed version
Kindle digital version