But that runtime would include alternate or botched takes that didn't end up being used. As Indysolo said in his recent interview, they included the approved take of every distinct piece that was recorded.
: No, we included everything. We included every original recording that we had that was considered a master take. When they’re recording any piece of music they’ll do Take #1, Take #2, Take #3 and so on until they get it right. In rare cases they may use an earlier take because they could not improve on that performance. We made a point to include every recorded master take, or “intercut” combination thereof, that was considered by the production to be the definitive recording of that composition. There were instances at the beginning of Seasons 2 and 3 where they had a recording session where they did new performances of earlier compositions which were then expressly used for library purposes. We made a point to include all of those re-recordings of the earlier music, but it was very easily identifiable what was original or not.