Opus Pro is a Latvian heavy rock group, established in 1986. The core group consists of lead singer Oleg Andreyev (Alex), and guitarist and songwriter Harry Zarins. Opus Pro was one of the most popular Latvian groups in the 1980s and 1990s. The band released two original albums "Dzimene" and "I'm going to steal you" and a "Greatest Hits". Andreyev released an album "You and I" with daughter Alexa Aija, commonly known as Aisha. Aisha started performing with the group in 2004.