Solids may refer to: 1) A rock band from Montreal, Canada. 2) An Australian improv trio. 3) A Japanese fictional idol group. 1) Solids are Xavier Germain-Poitras & Louis Guillemette. The duo formed in 2009 in Montreal and have since released an EP called 'Generic Dogs EP'. It's available on their Bandcamp. 2) "A mass exodus of Perth characters to Melbourne in the mid-'90's led to (Julian) Williams forming classic Australian improv trio Solids. Beginning as a warped