Context_1 : Decibelle (formerly Estrojam) is a 501c3 NFP music and culture festival that promotes equality and was established in 2003. Past headliners have included, Wanda Jackson (First Lady of Rock who toured with Elvis in the 1950s and 1960s), Nina Hagen, Concrete Blonde, Cat Power, The Gossip, Peaches, Amy Ray of the Indigo Girls and Margaret Cho. The hip hop, post punk, disco, and dance-punk band ESG played their final show on Friday, September 21, 2007 at Chicago's Abbey Pub, during the Decibelle festival. Context_2 : Lodger is a Finnish rock band, formed by Teemu Merilä in 2002. Although largely unknown outside of Finland, they have established a cult following on the Internet due to the popularity of their Flash music videos. The song "Floozy With An Uzi" is taken from the novel "Vineland" by Thomas Pynchon. Context_3 : Concrete Blonde is the acclaimed debut album of American alternative rock band Concrete Blonde. "Still in Hollywood", "Your Haunted Head" and "Over Your Shoulder" were featured on "The Hidden" soundtrack. "Your Haunted Head" and "Over Your Shoulder" appeared also on "The Texas Chainsaw Massacre 2" soundtrack. In 1997, Canadian punk band Propagandhi covered "True" for the Fat Wreck Chords compilation album "Physical Fatness", as well Propagandhi's rarities compilation "Where Quantity Is Job #1". Context_4 : Earle Mankey (sometimes misspelled "Earl" in credits) (born March 8, 1947 in Washington, USA) was a guitarist for the band Halfnelson, later called Sparks. He became a record producer, predominantly for Los Angeles area bands like  The Pop, 20/20, The Runaways, Concrete Blonde, Jumpin' Jimes, The Long Ryders, The Three O'Clock, The Tearaways, The Conditionz, Adicts, and Kristian Hoffman. Context_5 : Bloodletting is the third studio album by American alternative rock band Concrete Blonde. It was released on May 15, 1990. It marks a shift for the band towards gothic rock. Context_6 : Bruce "Ravens" Moreland (born January 22, 1959) is an American rock musician and songwriter. He has worked with such bands as Wall of Voodoo (with his brother Marc Moreland), The Weirdos, Nervous Gender, and Concrete Blonde among others. As of 2011, his current project is known as Ravens Moreland. Context_7 : An album produced as a joint effort between Johnette Napolitano and James Mankey, previously founding members of alternative rock band Concrete Blonde, and L.A. pachucho punk band Los Illegals. It contains a blend of hard rock and Latin music. Context_8 : Paul Thompson (born 13 May 1951) is an English drummer, who is best known as drummer for the rock band Roxy Music (from 1971 to 1980 and then from 2001 onwards). He was also the drummer for the Oi! band, Angelic Upstarts and the American alternative rock band Concrete Blonde. He is a member of Andy McKay's project with the Metaphors and joined the reformed Lindisfarne in 2013. Context_9 : Concrete Blonde were an alternative rock band based in the United States. They were active from 1982 to 1995, from 2001 to 2004, and then reunited in 2010 and split up again in 2012. They are best known for their 1990 album "Bloodletting", their top 20 single "Joey", and Johnette Napolitano's distinctive vocal style. Context_10 : Christopher Andrew "Chris" Tsangarides is a British Grammy-nominated record producer, sound engineer, and mixer. He is best known for his work with many heavy metal bands, including Judas Priest, Anvil, Gary Moore, Thin Lizzy, Helloween, Angra, Anthem, Yngwie Malmsteen and Tygers of Pan Tang. Tsangarides has worked with many pop and alternative artists as well, including Depeche Mode, Tom Jones, Concrete Blonde, and The Tragically Hip. fact_1 : Lodger is a Finnish rock band, formed by Teemu Merilä in 2002. fact_2 : Concrete Blonde were an alternative rock band based in the United States. Question: Were "Lodger" and "Concrete Blonde" both rock bands?
Output: yes