[microtonal]

In comparison with other publishers, Elsevier is rather generous to allow authors

They are absolutely not generous. In my field, the ACL is one of the largest organisations, which publishes (among other things) two journals. Nearly (or all?) publications are publicly available at:

http://aclweb.org/anthology/

Let's not forget that a substantial share of research worldwide is paid for by tax payers. It's awful to see that most of that knowledge does not become generally available to the larger public, but ends up being used to increase the profits of an oligopoly.