Ingratidão (Marcelo Elias/André Sachs)
Marcelo Elias - Vocals, Drums, Bass, Guitars, Handsonic, Shakers
André Sachs - Vocals, Hammond Organ, Piano, Clavinet, Vocal Arranging
Lenna Pablo - Backing Vocals
Rodrigo Eberienos - Harmonica
Marcello Borio - Percussion

06 INGRATIDAO

Songs by Marcelo Elias/André Sachs
 Produced and Arranged by Y-TUX
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Marcelo Elias - Bass, Acoustic Bass, Drums, Rhythm Guitars, Keys and Vocals. 
Andre Sachs - Lead Guitars, Vocals, Keys, Bass, Random instruments and Orchestral Arranging
featured appearances :
Lenna Pablo - Backing vocals, Vocal Solo em "Cativa"
Rodrigo Eberienos - Harmonica
Marcello Bório - Percussion
Lui Coimbra - Cellos
Thayna Sulyman Müller - Violins
Marlon Sette - Trombone
José Carlos Bigorna - Saxes and Flute
Jorge Continentino - Saxes on Frugal Album 
Diogo Gomes - Trumpets on Hj termina Amanhã, Frugal and Esquece o Tempo albums
José Arimatéa - Trumpets on Vamos Viver album
Jota Moraes - Vibraphone on Frugal album
Dirceu Leite - Clarinet and  Flute
Reinaldo Seabra - Tuba
Reyson Carlomagno - Tabla
Luciana Birolli - Backing Vocal em "Bossa Elétrica"
Ro Favilla - Derbak em "Estorvo"
Karina Sachs - Backing Vocals on "Vamos viver", "Excelsion", "Gueixa", "Brilho" , "Buscando Elegância",!Pinguim Tropical, "Tu Cuore" e "Muda"
Gil Soul - Vocais em "Entre Nós" e "Papo Reto"
Jovi Joviniano - Percussão em "Todo dia Nasce dentro de você", "Na Cidade" e "A Dança"