I have created a DVD from American Idol TV Show as follows:
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• Record the 6 episodes to hard drive in DVD compliant MPEG using TV tuner etc.
• Using “VideoReDo TVSuite”, remove commercials and add chapter points at the beginning and end of each song.
• Author the 6 episodes into 1 DVD. The DVD has a root menu that allows you to select the episodes.

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Once the episode start playing you can skip to a song by using remote's next/previous button.
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I import the DVD into DVDReMake Pro.
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• The DVD has 1 VTS and 6 PGC (and titles) along with VTS1 menu. ( and the usual Video Manager stuff).
• I duplicate each PGC, delete unwanted programs (chapters) in duplicated PGC so that PGCs have only songs left. Thus I have 6 PGC with full episode content and 6 more PGC with just the songs. (But DVD size has not increased. GREAT!!).
• I create 6 new titles ( title 7 to 12), add 6 new buttons on root menu and link the new titles to these new buttons. I also add post command to Program of these new PGCs to return to root menu.

Now I can select to watch either full episodes or just the songs by episode. Every thing works great!
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Now I want to add 13th button to play all the songs from all episodes.
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So I duplicate PGC 7 to 12 to create PGC 13 to 18. I want to set the "Next
PGC" of PGC 13 to 14, of PGC 14 to 15 and so on so I can skip to next songs over PGC boundary. (and similarly set the appropriate "PREV PGC" to skip
back).
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This is where my problem comes:
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I don't have option in “PGC View/Extras tab/Program Chain Extra dialog” NextPGC to select PGC # of next PGC. For example, for PGC 13, I only see 13, for PGC 14 and so on. (same for Prev PGC). i.e. In the drop down selection box for PGC 13 I can not select 14 or 15 or 16 etc. (same for all other PGCs).
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Any ideas why? Any help will be appreciated