sentence: members samuel rosa - vocals and guitar lelo zaneti - bass , backing vocals henrique portugal - keyboard , backing vocals haroldo ferretti - drums discography skank ( 1993 , 250,000 copies sold ) calango ( 1994 , 1,250,000 copies sold o samba poconé ( 1996 , 1,800,000 copies sold siderado ( 1998 , 750,000 copies sold ) maquinarama ( 2000 , 275,000 copies sold ) mtv ao vivo ( 2001 , 600,000 copies sold ) cosmotron ( 2003 , 400,000 copies sold ) radiola ( 2004 , 240,000 copies sold ) carrossel ( 2006 , 200,000 copies sold ) estandarte ( 2008 , 70,000 copies sold ) multishow ao vivo ( 2010 , 150,000 copies sold ) awards cosmotron won the latin grammy award - best brazilian rock album in 2004 .