OFFICE DE RADIODIFFUSION-TELEVISION FRANCAISEParis, leDear Sir,The Groupe de Recherches Musicales of the O.R.J.F. inParis, is preparing a new, more complete and up=todate editionof the documentation on tape music that was published in 1962as the "R?pertoire International des Musiques Exp?rimentales",This work will be coordinated by Mr. Hugh Davies, and will beeither published commercially, or duplicated, and available tointerested persons on request: if the latter, in February 1967. .In order to unify the final presentation of details,and to speed up the completion nf the documentetion, we aresending you a list together with this letter, whish containsall information we have on compositions produced in your stu-dio, in more or less the form in which the final document willbe publishedeIn this new edition it is hoped to include all compo-itions for magnetic tape ever composed (electronic music, mu-ique concr?te, etc.), up to the end of 1966, With the rapidlyincreasing spread of tape music throughout the whole world, andits acceptance and integration into the field of contemporarymusic, it appears that a complete documentation will never againbe possible, and, it is hoped, no longer necessary in the futu-=ree In many of the lists that are being sent to studios forcorrections and additions, works are listed that do not appearin official lists of the studios - such as those published inthe original "R?pertoire" - but have bsen mentioned in athexsources, Since they give a wider and more comprehensive pictureof the output of a studio, we ask you to list absolutely every-thing! This includes works performed but later withdrawn, exeperimental studies - particularly by well-known, sometimes un=expected composers = that have not been released, and so on.O.R.T.F. - 116. AVENUE DU PRESIDENT-KENNEDY - PARIS-16? - TEL. : 224-22-22 - R. C.: 59B5498 - INS.E.E.: 861 75 1169003