The 
raison d’être of these high-res re-masters is to present vintage recordings in the best possible light. It’s a daunting task, given deteriorating master tapes, and the degrees of technical intervention can either be very subtle or frankly objectionable. I’ve heard many examples of both, and sadly the good ones are comparatively rare. HDTT tend to source the music from tapes, but they have also achieved remarkably good results with direct-from-LP transfers. Among the latter is Jean Martinon’s celebrated Decca recording of excerpts from 
Giselle, which sounds newly minted in its HDTT incarnation; indeed, I was so impressed with the results of this transfer that I made the disc one of my Recordings of the Year 2013 (
review).
 
          According to HDTT’s skimpy liner-notes their re-mastering of this 
          Bernstein/Copland collection - which I first heard on a cheap CBS cassette 
          - is sourced from Columbia four-track tapes. Thankfully the sonic limitations 
          of the cassette medium masked the roughness that’s all too evident 
          in subsequent CD reissues of these performances. However, what that 
          convenient but long-defunct carrier could not do was hide the sheer 
          exuberance of Lenny’s conducting or the New Yorkers’ often 
          febrile playing. I’ve yet to hear a version of 
El Salón 
          México – and I include Copland’s own - that’s 
          as loose-limbed as this, or whose rhythms are so infectiously conveyed; 
          ditto Bernstein’s 
Danzón Cubano, although there 
          are times when I prefer the much plainer weave of his LAPO 
Appalachian 
          Spring (DG).
 
          So, is this re-master a step up from those less-than-ideal CD transfers? 
          The ear-pricking start to 
Appalachian Spring suggests it is, 
          although I’m soon reminded that even at this stage of his career 
          Bernstein indulged in a touch of expressive overload. That said this 
          remains a joyous, tender and wonderfully spontaneous reading of Copland’s 
          iconic score. I can’t remember a more tactile sound than this 
          – what ravishing woodwinds – and I was gripped by a genuine 
          sense of delight and discovery. This is classic Americana in a classic 
          performance, and I must commend HDTT’s Bob Witrak for revitalising 
          this recording in ways I scarcely thought possible. There’s little 
          of the shrillness one hears on the CDs – more of that fabled ‘analogue 
          warmth’, perhaps - and the climaxes sound surprisingly clean; 
          the bass is firm and weighty too.
 
          What a promising start this is, proof that judicious re-mastering really 
          can achieve the impossible. Indeed, thanks to HDTT I’ve fallen 
          in love with this gentle, homely piece all over again. It’s not 
          perfect – tape quality is variable and Lenny’s famous groans 
          are easily heard – but the high-spirited, spine-tingling intro 
          to 
El Salón México makes one forget such things. 
          Goodness, the incomparable fluidity of this account is just astounding, 
          and Copland’s sizzling orchestrations– not to mention that 
          formidable bass drum – are as intoxicating as ever. Bravos all 
          round.
 
          The 
Danzón Cubano sounds rather more immediate than the other items here – it was 
          recorded at Avery Fisher Hall – but the peacock colours and fine 
          detail are as telling as before. It’s difficult to believe this 
          recording is half-a-century old, especially when the wide dynamics of 
          the dance’s second, contrasting section are so well managed. True, 
          this isn’t modern ‘hi-fi spectacular’ - there are 
          strange subsonic rumbles at one point and HDTT’s liner-notes are 
          barely worthy of the name - yet such is the level of enjoyment here 
          that I couldn’t care less. Even more enticing is the individual 
          and frankly 
interesting sound of the NYP, a far cry from the 
          smooth, homogenised beast we hear today.
 
Vintage recordings lovingly restored; pure gold.
 
Dan Morgan
          http://twitter.com/mahlerei