Alberto Radius (guitar, vocals)
Mario Lavezzi (guitar, mandolin, vocals)
Vince Tempera (keyboards)
Gabriele Lorenzi (keyboards)
Bob Callero (bass)
Gianni Dall'Aglio (drums, percussion, vocals)

Usually described as a "supergroup", Il Volo was a studio band formed by very popular musicians all coming from famous bands: Alberto Radius and Gabriele Lorenzi from Formula Tre, Mario Lavezzi from Flora Fauna Cemento and Camaleonti, Bob Callero from Osage Tribe and Duello Madre, Gianni Dall'Aglio from Ribelli, along with composer Vince Tempera who also had his own band Pleasure Machine

With such a pedigree it's obvious that both albums are very well played, and enjoyable but not memorable, lacking originality. 
An obvious similarity with Formula Tre is evident, along with a certain jazz-rock feel present throughout both albums, whose only distinctive element is the voice, almost missing in the second (all instrumental except Essere). 

In 1975 the musicians from Il Volo collaborated with Fausto Leali for his LP Amore dolce, Amore amaro, Amore mio.

After the second album Callero (who was photographed from behind on the first LP cover, hiding under the nickname Olov) was replaced for a short time by Michele Seffer ex-Era di Acquario, then the group broke up.

Il Volo Numero Uno (DZSLN 55667) 1974 gatefold cover
  Sony (88883 70168 1) 2013 as above
  Sony Music/BMG (88985 36521 1) 2017 new remastered reissue with gatefold cover
  Numero Uno/De Agostini (DZSLN 55667) 2018 gatefold cover with 8-page insert - no.24 in the De Agostini "Prog Rock Italiano" series
  Numero Uno (19439 85671 1) 2021 gatefold cover - blue vinyl - 500 numbered copies
  Numero Uno (19658 70431 1) 2022 gatefold cover - splatter vinyl - numbered issue
Essere o non essere? Numero Uno (DZSLN 55679) 1975 gatefold laminated cover
  Numero Uno/De Agostini (86) 2021 gatefold cover with 8-page insert - no.86 in the De Agostini "Prog Rock Italiano" series

Essere o non essere? Numero Uno/BMG (ND 74119) 1989 reissue of 1975 album - now deleted
also available as part of the limited 5-CD box set Rock progressivo italiano (RCA ND 74116-5)
  BMG (82876-63030-2) 2004 as above with mini gatefold cover - now deleted
  Sony/BMG (82876-63030-2) 2011 as above
Il Volo Numero Uno/BMG (ND 74682) 1990 reissue of 1974 album - now deleted
  BMG (82876-54413-2) 2003 as above with mini gatefold cover - now deleted
  Sony/BMG (88697-9000?-2) 2011 as above
  Gruppo Ed.L’Espresso (20) 2015 as above with mini-LP gatefold cover – no.20 in the “Progressive Rock Italiano" series

Quelli della Numero Uno
(with Il calore umano e La canzone del nostro tempo)
Numero Uno (CFD 01080-10) 1999 10 CD - box set with tracks from singles and albums

(with blank covers)
Il calore umano Numero Uno (JBZN 50331) 1974 jukebox single, backed with Premiata Forneria Marconi - Four holes in the ground
Come una zanzara Numero Uno (JBZN 50336) 1974 jukebox single, backed with Oscar Prudente - Infinite fortune
Gente in amore
Medio Oriente 249.000 tutto compreso
Numero Uno (ZN 50339) 1975 promotional single, never commercially released


Both LP's are easy to find in Italy, printed in large quantities as most Numero Uno releases. Both have gatefold covers, the second one being laminated.
An odd release of the first album which has been reported, is a totally instrumental version, issued with the same cover as the original though it contains in the inner gatefold the text "versione strumentale" on blue background. Catalogue number is the same. This record, if really existing, is very rare, having probably been released only for promotional distribution.

No counterfeits exist, but both albums have been printed at the time in Germany by Hansa/Ariola with single sleeves, Canada by RCA (nos.KPL1-0094 and KPL1- 0103), and later in Japan (King K22P112, in both gatefold and single cover, and K22P152). Also on RCA there are a Spanish ( SPL1-9153 - gatefold cover) and Venezuelan issue (single cover) of the first album.
Il Volo also exixts in a later Korean issue (Si-Wan SRML 1011) with gatefold cover.

The 1975 LP by Fausto Leali, Amore dolce, Amore amaro, Amore mio (CBS 69173), was released with help from Il Volo, but the cover only mentions the name of the group and not the single musicians that played on it.


Il Volo - LP

Il Volo - 8-track cartridge

Essere o non essere? - LP



Thanks to Oscar Larizza, Guilherme Tofani and Corrado Donati di Mondocafe, Mauro Degrassi, Marco Risadelli, for some pictures and information in this page