Here’s one for the irredeemable Callas groupie: ten separate, mono
versions
  on two CDs of “Casta diva”, all but the first with the
“Sediziose
  voci” introduction and all but the last with the “Ah! Bello a
me
  ritorna” cabaletta. They were recorded over almost ten years between
March
  1949 and December 1958. All but nine are live recordings; the 1955 RAI
broadcast
  performance is wrongly labelled as being “studio” and the sole
exception
  is the famous Cetra studio recording from Milan in 1954. 
    
  The IDIS documentation is typically minimal, consisting only of the
briefest
  of recording details, track listings and nothing else. You will therefore
not
  be able to tell which are from concerts and which are from staged operas,
nor
  who is singing Oroveso in the recitative; I am here providing this
information
  for those interested but you will look in vain for it in the booklet
itself.
  
    
  An aural health warning first: the first disc features four execrable
recordings
  from the point of view of sound quality. Only the fourth excerpt from
Covent
  Garden is listenable with any pleasure and comes as a relief after the
first
  three; the remainder are a real trial. The second disc is in tolerable
sound
  despite a relapse in the 1958 concert performance from Rome. Any
audiophile
  will need to keep away from half of these recordings; in any case,
ultimately
  this is an issue for the opera buff par excellence. 
    
  How many times in succession does one want to hear this most famous and
demanding
  of bel canto arias sung by one singer? Especially as, ironically,
the
  intrinsic interest of hearing Callas sing her signature tune over a period
of
  ten years is somewhat compromised by the fact that she is amazingly
consistent
  over that period in both timings and interpretation. True, there is some
discernible
  deepening of her characterisation but hers was essentially a fully-formed
Norma
  by as early as 1950. Despite the popular mythology surrounding
Callas’s
  decline, there is in fact very little deterioration in her voice in
evidence
  here; the faults, such as they are, are already apparent in 1949 and
little
  exacerbated by the time of this last concert performance in Paris in 1958.
I
  have long argued that the decline in Callas’s voice was by no means
linear
  and depended more upon the vagaries of her emotional state and extrinsic
factors
  such as the circumstances of her private life. You may hear her singing
wonderfully
  well as late as 1969 on “Callas- the EMI Rarities”. The bad
patch
  came between 1962 and 1964; as such, the obvious omission in this survey
is
  an excerpt from the superb 1960 recording of “Norma”, which
remains
  my favourite complete performance owing to the quality of Callas’s
co-singers
  and the subtlety of the singer herself, despite some slight diminution in
her
  vocal prowess. Otherwise, my personal preference amongst earlier
recordings
  has long been for the two live accounts from 1955 under Serafin and Votto.
Although
  the sole studio recording here under Serafin finds her in superb voice,
she
  is less than glamorously partnered, especially in comparison with the
starry
  team of Corelli, Ludwig and Zaccaria for EMI. The only real surprise for
me
  here was the 1952 London performance under Gui - which is also the most
sonically
  tolerable on CD 1. 
    
  So what of the individual performances here? Taking them in chronological
order,
  as they are presented, the first, a radio broadcast from Turin, is in
hissy,
  fluttery sound with some peaking on higher, louder notes. Callas is in her
youthful
  prime: the voice is large and flexible, her coloratura immaculate,
especially
  the downward fifth and octave interval runs. She spins the voice on a mere
thread
  and the high C is secure. The flautist plays exquisitely. 
    
  The second, a Gala Concert from Buenos Aires, is virtually unlistenable:
distant,
  crumbly, with frequent tape drop-outs. There are six time-keeping bleeps
on
  the second at 1:43. The third, from Mexico City is, if anything, even
worse;
  it sounds as though it is being filtered through a face flannel and a
scraping
  noise constantly obtrudes. Callas is evidently in superb voice on both of
these
  occasions but I can see little point in their inclusion except for
completeness
  of record. 
    
  The fourth from London brings blessed relief: the voice is distant but
clear
  and relatively cleanly recorded even if the orchestra blares. The strength
of
  Callas’s lower register is especially remarkable. Tempi are a tad
lethargic
  under Gui but this is beautifully secure vocalisation. 
    
  The fifth is once more in dreadful sound: there is a loud hum and the
recording
  might as well be from 1913 as 1953. There is a sudden change of acoustic
medium
  at 1:56; the hum disappears but the distortion is still pretty bad. The
voice
  itself is marginally looser on higher notes but is still gorgeous. 
    
  The second disc, by contrast, affords almost unalloyed pleasure, sonically
as
  well as artistically, as long as you are tolerant of decent mono sound.
The
  sixth excerpt is the best of all, being the studio recording, and we may
finally
  hear properly the nuances of Callas’s interpretation. There is a
hint
  of flap and wobble but this remains magical singing. 
    
  Both the seventh and eighth performances from Rome and Milan in 1955 are,
as
  I have already said, justly famous. There are few vocal frailties and
Callas
  is matched in the complete recordings by superb co-singers. There is
somewhat
  more interference in Milan and the diva perhaps sounds more at ease in
Rome.
  The ninth, also from Rome in 1958, suffers a regression in sound quality
and
  there is some evidence of the incipient wobble which gave Walter Legge
nightmares,
  causing him to warn Callas that if she didn’t get it under control
he
  would have to issue her records with sea-sickness pills. It appears that
she
  heeded his warning; the tone is a little harder but still refulgent; the
vibrations
  are only marginally looser; the phrasing remains peerless. Incidentally,
this
  was the performance in which Callas became indisposed and it was cancelled
after
  Act 1. 
    
  Finally, we hear an extract from the Paris concert; the excellent sound
also
  permits us to enjoy the prompter’s contribution, but no matter. The
Oroveso
  is weak and Callas’s runs are not quite so liquid as of yore but she
is
  Callas still and the delivery is both technically fine and emotionally
heartfelt.
  
    
  My reservations about the validity of including the excerpts on CD1
notwithstanding,
  I can still see this quirky and rather daring issue appealing to the
faithful.
    
  
                  Ralph Moore  
                Performance details
                  Oroveso (bass) - Nicola Rossi-Lemeni (CD1, tracks 3-5 & 
                  CD2, tracks 1-3); Nicola Moscona (CD1, tracks 6-8); Giacomo 
                  Vaghi (CD1, tracks 9-11); Boris Christoff (CD1, tracks 12-14); 
                  Giuseppe Modesti (CD2, tracks 4-6); Nicola Zaccaria (CD2, 7-9); 
                  Giulio Nero (CD2, tracks 10-12); Jacques Mars (CD2, tracks 13-14). 
                  
                  
                  rec. 7 March, 1949, Torino (CD1, tracks 1-2); 9 July, 1949, 
                  Buenos Aires (CD1, tracks 3-5); May, 1950, Mexico City (CD1, 
                  tracks 6-8); 18 November, 1952, Royal Opera House, Covent Garden, 
                  London (CD1, tracks 9-11); 19 November, 1953, Trieste (CD1, 
                  tracks 12-14); April/May, 1954, Milan (CD2, tracks 1-3); 29 
                  June, 1955, Rome (CD2, tracks 4-6); 7 December, 1955, Milan 
                  (CD2, tracks 7-9); 2nd January, 1958, Rome (CD2, 
                  10-12); 19 December, 1958, Paris (CD2, tracks 13-14). AAD mono