Just heard that Sayuri Sugawara performed a new song called "Sou" (奏), based on reports from yesterday's ESP COLORS 2012 performance...
One evidence:
check her blog!
http://ameblo.jp/sayurisugawara/entry-11296970656.html
Another evidence:
By the way, here are a couple of off-stage photos that you might like:
(Don't you think Sayu looks better than Ayu right now? I have a feeling she is! I mean, her hair is just something that blows me away with - blonde hair! Nothing that I saw two to three years back, or even last year...)
Now this means that along with Itsunohimo we already have two songs being backlogged...possibly new single coming up? Or maybe a new album? Maybe she should have a new album - it's almost over a year since "Forever..." was released, and it has been over two years since the last time she has released a full-length studio album back in 2010 (First Story)!