From the library's website, click on MnPALS, then click on Advanced. In the Field to Search drop-down, select author and type in the author's last name then first name, re: Bach, Johann Sebastian. In the Format drop-down, select Music Scores....
Well, I tried to answer your question completely before you left the webpage, but I didn't get far enough to be of much help to you! So, if you're still looking for that book review, click on EBSCOhost, select the blue tab that says "Choose...