Did a little first search for other blogs that could contain interesting views. Will look at these sometime again and read bits of them. Just bookmarking the findings for now.
Kyle Gann
Michael Kaulkin
Alex Ross
Sequenza 21
Sequenza 21 “Composer Forum” (=blog)
Anne-Carolyn Bird (singer)
The Fredösphere
Helen Radice (harpist)
Jessica Duchen
Prima la Musica (Sarah Noble)
Of Music and Men
Musical Perception
Renewable Music
Musicians with blogs or diary sites I have found and read earlier, for various reasons:
Laurence A Hughes
Ursus Demens (aka Edo S Bear)
A composer blog I found some days after I wrote the above: