Pouca Vogal ("Few Vowels" in English) is a side project created by Brazilian rock singers gauchos Duca Leindecker (Leader and guitarist of the band Cidadão Quem) and Humberto Gessinger (Leader and bassist of the group Engenheiros do Hawaii).

Friends since the late '80s, and Humberto Gessinger and Duca Leindecker are band-leaders of two of the biggest bands in rock gaucho, the Engenheiros do Hawaii and Cidadão Quem.

The duo has recorded eight songs in electro-acoustic arrangements, which were released on the official website of the group and gave rise to album Pouca Vogal - Gessinger + Leindecker.

The show brings together music of Engenheiros do Hawaii and the Cidadão Quem, besides the songs that the pair wrote in 2008.

Besides the songs, the DVD has the shares in Rio Grande do Sul PoA Pops orchestra, under the baton of Maestro Fernando Cordella, with arrangements by James Kreutzer, and bassist Luciano Leindecker (brother of Duca and bassist Cidadão Quem) playing the bass and an instrument created by him, called quince.