Sound Unlimited, formerly known as Sound Unlimited Posse and Westside Posse, were an Australian hip hop group from Sydney, Australia that was known for being the first Australian hip hop act signed to a major label (Sony BMG) during the 1990s. The band's members were: Rosano (El Assassin) and Tina Martinez (who were brother and sister), MC Kode Blue and Vlad DJ BTL
The group had members of Russian and mixed Spanish and Filipino origin and released several singles from an album called "A Postcard from the Edge of the Underside", among them "Kickin' to the Undersound", "One More From The City" and "Saturday"."A Postcard from the Edge of the Underside" was the only Australian rap album to be released by a major label (Columbia Sony) in the 1990s. This "breakthrough recording deal" was negotiated with the help of Public Enemy.
The group's origins in Sydney's western suburbs impacted the music they produced. The western suburbs of Sydney are "traditionally regarded as working-class, underprivileged and crime-ridden," and have substantial immigrant communities. These suburbs have significantly less access to the cultural and social capital of those in more affluent, serviced suburbs, creating space for a different cultural form, that of underground hip-hop. Sound Unlimited publicly declares their underground status in their album title, "A Postcard from the Edge of the Under-side.
Despite major label support, the group initially received some criticism from the Australian hip hop community as their music was said to be "slick and heavily instrumental" and also because of claims by the band to represent Sydney Hip Hop. They have contributed to the Australian Hip Hop scene due to supporting several other bands. The group supported acts such as Public Enemy, New Kids on the Block and De La Soul during their Australian tours, including opening for Public Enemy during their 1992 Australian tour. They also performed at the Big Day Out Music Festival.
The group split up in 1994, with Rosano and Tina forming the UK-based acid jazz band Renegade Funktrain with Tina's husband, Derek Antunes (a former drummer for New Kids on the Block's touring band).
| Album Information | Track Listing | |
| Down Under By Law | Released: 1989 | |
| Peace By Piece | Released: 1990 | |
| Unity | Released: 1991 | |
| Kickin' To The Undersound | Released: 1992 | |
| A Postcard From The Edge Of The Under-Side | Released: 1992 | |
| Saturday Night | Released: 1992 |