Realistically, we assume we have 29 songs and 5 "NOMACS" tracks. And we know that the vocals are done by James Labrie singing in character. I don't think we'll see spoken words - Use the Gift of Music as reference, there's a lot of exposition in that track alone with regards to the lyric content, which would've been put in "spoken word" form if that existed on the album. And yet the song begins "Far in the distance future, beyond the pages of our time. Cold blooded wicked tyrants threaten the freedom of mankind. Corruption, lust and greed define the new nobility changing the course of history." etc etc.
130 minutes divided by 29 songs gives us an average of 4.5 minutes per song. Granted, some will probably be longer, some will probably be shorter. But I don't expect to see many song longer than 10 minutes, if any at all. Then again, why do they need to be? I prefer the songs that last 6 minutes over the longer songs - and this has been my main contention with the last few albums of DT.