Bassbariton had the lowest vocal range in the group that produced the album  Pa un par.
Cosmos was a Latvian a cappella band that formed in Riga in 2002. 
 The band comprised singers Jnis ipkvics, Andris Sjns (both countertenors), Juris Lisenko (tenor), Jnis Ozols (baritone), Jnis Strazdi (bass) and Reinis Sjns (rhythm). 
A bass ( ) is a type of classical male singing voice and has the lowest vocal range of all voice types. 
Pa un par (On and About) is an album by the Latvian A cappella vocal group Cosmos, that was released on the UPE record label in 2005. 
