(Cross-posted to PIPORG-L)

Dear Friends,

Our 3rd edition (2013) of the Unequal Temperaments eBook was Bray Baroque's
best-seller ever. Yet, we are committed to keep introducing improvements
every few years. We have just launched our 4th edition, which includes all
the material we have been adding to our "Errata and Addenda" document, which
will be always available for owners of the 3rd edition. 

As always, full information about this book is provided in the Unequal
Temperaments website: http://temper.braybaroque.ie/ where a full detail of
enhancements for the 4th edition can be read in
http://temper.braybaroque.ie/new.html
 
I wish to express my deep gratitude to the Medieval- and Renaissance-music
scholar Margo Schulter, who during 2013 and 2014 provided quite a few
valuable suggestions that have been incorporated into this edition. I have
also to thank the tuning expert Paul Poletti for a clever suggestion about
the tuning of some meantone variants.

Finally I have to thank many friends in the HPSCHD-L and PIPORG-L lists for
their encouragement.

Best Regards,
 
Claudio Di Veroli
Bray Baroque
Bray (Ireland) and Lucca (Italy)

PS: As always, Lulu.com does not provide for free updates from previous
editions. Our Errata and Addenda, with all the improvements, will be always
available for owners of the 3rd edition. As for those readers who bought the
latter during 2017, please email [log in to unmask] stating your Lulu order
number and purchase dat0e, and you will be sent a free copy of the 4th
edition.


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