* Remastering work subtly expands the band's sound from its earlier days
* Many audible delights emerge to the surface because of the remastering
* Listening all but feels like being in a musty studio watching the band perform
* There's something new even for fans who've listened to the songs countless times

(CNN) -- The newly remastered Beatles box sets are a treat for a casual fan and a dream come true for die-hards.
The new box sets are expected to introduce the Beatles to yet another younger generation.