Appearances by Lieder specialistChristian Gerhaher and hisregular accompanist Gerold Huberhave become red-letter datesat Wigmore Hall. Very muchat home in this ambience, therenowned baritone is certain toprovide a special occasion with aprogramme of Wolf, Schubert andBerg, crowned by the UK premièreof a new song-cycle by WolfgangRihm, Tasso-Gedanken.