Compositions by Flo Menezes
[wp = world première]
Ritos de Perpassagem
NeutrinOpera in 2 Trans-Acts
2018-19
(composed from June 2018 to February 2019;
revised in September 2019)
(English: Rites of Throughpassage;
German: Durchgangsriten;
French: Rites d’Outrepassage;
Italian: Riti di Perpassaggi)
8 Percussionists, Orchestra (31 Musicians)
and Electronics (in real time and in differed time, 16 channels).
Instrumentation:
2 Flutes in C (both also Piccolo)
2 Clarinets in Bb (2. also Bass Clarinet in Bb)
2 Oboes (2. also English Horn in F)
2 Bassoons
2 French Horns in F
Trumpet in C
Trumpet in Bb
2 Trombones in Bb
Bass Trombone
Harp
Violins A (5)
Violins B (4)
Violas (3)
Violoncellos (2)
Contrabass (1) (scordatura – 5 strings: C – E – A – D – G)
Realization: Studio PANaroma (Unesp).
Commissioned by the Opera House Theatro São Pedro, São Paulo, for Santa Marcelina Cultura & Secretaria de Cultura do Estado de São Paulo.
ca. 2 hours 30 minutes
wp: on 27, 28 and 29 September, 2019, in the Theatro São Pedro, São Paulo, with:
MARCELO FERREIRA barítone [narrator]
NEUE VOCALSOLISTEN Stuttgart (KATIA GUEDES soprano, SUSANNE LEITZ-LOREY soprano, TRUIKE VAN DER POEL mezzo-soprano, DANIEL GLOGER countertenor, MARTIN NAGY tenor, GUILLERMO ANZORENA baritone, ANDREAS FISCHER bass)
Coro Contemporâneo de Campinas
(Prepared by Ängelo Fernandes)
PIAP percussion ensemble
FLO MENEZES, PAULO ITABORAÍ and DANIEL AVILEZ electronics
(Studio PANaroma)
ORTESP (Orquestra do Theatro São Pedro),
conducted by RICARDO BOLOGNA
MARCELO GAMA (scenography)
RAIMO BENEDETTI (videoartist)
TIÇA CAMARGO (visagism)
MIRELA BRANDI (lighting)
World première: last performance on September 29, 2019:
Trans-Act 1
(114,9 MB) 
Trans-Act 2
(128 MB)
Professional video of the world première on September 28, 2018, on Youtube.
Youtube Videos to be viewed three-dimensionally with mouse movements or on the cell phone with 3D glasses (360 degrees):
https://youtu.be/CEDeonGP0fY
(first of a playlist with the subsequent videos below)
https://youtu.be/6kwDR8nke6o
(view from the stage)
https://youtu.be/J_dvSd-U7nA
(view from the audience)
https://youtu.be/0fe_JvjyvsE
(view from the stage)
https://youtu.be/TCLptlHIGI8
(view from the audience)
https://youtu.be/Lms2WcfVs3g
(view from the stage)
https://youtu.be/4oVJc-dQVPU
(view from the audience)
Libretto of this work as PDF-file (20,4 MB) 
Some significant articles (in Portuguese) about the work:
By Andrei Reina for the Revista BRAVO!, September 25, 2019:
https://medium.com/revista-bravo/anti-%C3%B3pera-b5ab141bf399
By Maurício Ayer, September 25, 201:
https://outraspalavras.net/mauricioayer/pode-a-opera-celebrar-o-multiplo-e-o-rebelde/