In working with the Family Theater transcriptions, I kept a separate valid file of the opening bars of the beginning music to use as a double check. I found more than once that I had to change the pitch of the recording I was working on due to variances in turntables and dubs. --- On Fri, 10/5/12, Doug Pomeroy <[log in to unmask]> wrote: From: Doug Pomeroy <[log in to unmask]> Subject: Re: [ARSCLIST] ARSCLIST Digest - 3 Oct 2012 to 4 Oct 2012 (#2012-274) To: [log in to unmask] Date: Friday, October 5, 2012, 7:50 AM Beware that in some cases the NBC chimes may have been dubbed from another disc, and where two turntables are involved the chimes will probably no longer sound G/E/C exactly. I've encountered cases where they were very far off. > > With some shows, you can compare the speed and pitch of the theme with > other known recordings in the series or things that are pretty > standardized like the pitch of the NBC chimes. > > > rand Doug Pomeroy Audio Restoration & Mastering Services [log in to unmask]