The main activity was initially record production, and the company has now branched out to produce music festivals and concerts, act as artist management, publish music, and offers notation and specialised travel services for musicians.

Though the home base for both festivals is Estonia, during recent years a number of concerts have taken place in Latvia, Finland, Sweden and St. Petersburg.

The festival has featured the most prominent Oriental musicians like the Indian flautist Hari Prasad Chaurasia, sitarists Ravi and Anoushka Shankar, the Japanese giant drums ensemble Kodô, the Tuvinian guttural singers "Huun-Huur-Tu", Tibetan Buddhists monks of the Gyuto and Gyudmed monasteries, the Turkish percussionist Burhan Öçal, the Armenian dudukist Jivan Gasparyan, the Azeri muqam singer Alim Qasimov.

Recent themes have included Nietzsche contra Wagner, Mozart & Salieri, Da Vinci Code, Jungle Book of Baroque, Carmina Burana Speciale, End of the Era of Composers, Music for Glass Harmonica, and Freemasonic Music.

ERP represents percussion ensemble Kodo, Kremerata Baltica, guitarist Rémi Boucher, mixed choir Latvija, Glasperlenspiel Sinfonietta, conductors Mikhail Leontyev and Andres Mustonen, Tuvan National Orchestra.