Guardian Music — Royal Festival Hall, LondonThe Sapporo Symphony Orchestra's London date had been in the schedule long before Japan's earthquake in March. But the tsunami transformed what had been a celebratory 50th birthday visit for the Hokkaido-based orchestra int... more info

Guardian Music — Tetzlaff/Tetzlaff/Andsnes (EMI, two CDs)Pianist Leif Ove Andsnes's chamber-music partnership with violinist Christian Tetzlaff and his cello-playing sister Tanja is a regular one, and as you would expect from such fine musicians, they make a formidab... more info

The Telegraph — Orchestre National de Lyon, cond Jun Märkl. Rating: * * * more info

Guardian Music — What happened when one of jazz's top stars – Tim Garland – was asked to write a concerto for the London Symphony Orchestra? Organised chaosIt's not long in conversation with saxophonist and composer Tim Garland before it seems necessary to place ... more info

Guardian Music — King's College Chapel, CambridgeNobody seems quite sure when Frank Martin's Golgotha was last heard in the UK, though Malcolm Sargent certainly conducted a performance for the BBC in the 1950s. It has remained rare enough for the composer's widow, Ma... more info

Guardian Music — Barbican, London; Festtage, Berlin"I am like a blind man looking for treasure at the bottom of the ocean." This cry, wrenched from the soul and guts of Golaud, is an emotional turning point in Debussy's Pelléas et Mélisande. His misery is absolute,... more info

Guardian Music — Composer Komitas Vardapet survived a genocide and somehow bridged Armenia and Turkey's musical divide. He should be better knownSunday 24 April is Easter Day, but for Armenians it is also genocide remembrance day. This is when Armenians all over the ... more info

Guardian Music — Barbican, LondonPelléas et Mélisande works uncommonly well in the concert hall. Debussy's symbolic tragedy takes as its starting point the belief that "music begins where words are powerless". The characters, with the exception of Arkel, lack insig... more info

Guardian Music — Captain's Rest, GlasgowThe UK is slowly figuring out what northern Europe has known for a while – that Copenhagen-born, Berlin-based classically trained pianist and singer Agnes Obel is a master of her craft with a bright future ahead of her. Obel'... more info

Guardian Music — Queen Elizabeth Hall, LondonThis was not a programme designed to leave any doubts about Marc-André Hamelin's mastery of the piano, so it was probably unintentional that its high point should have been the least obviously taxing piece of all. But his... more info