Alfredo Perl&Ludwig van Beethoven
Alfredo Perl&Guido Schiefen&Ralph Manno&Ludwig van Beethoven
Alfredo Perl&Franz Liszt
Alfredo Perl
Alfredo Perl&Ralph Manno
Alfredo Perl&Ralph Manno&Guido Schiefen&Ludwig van Beethoven
Gerhild Romberger&Stephan Rügamer&Alfredo Perl&Detmolder Kammerorchester
Ralph Manno&Wolfgang Amadeus Mozart&Hartmut Rohde&Alfredo Perl
Leningrad Soloists&Michael Gantvarg&Carmen Piazzini&Alfredo Perl