Amid the storeys of closed stacks on Paris’s rue de Louvois sits a short, stubby stick, tenderly ensconced in a box. A souvenir of a trip to Assisi, it bears the handwritten label: ‘exact colour of the Franciscans’ robes!’1 The stick, along with the rest of the Fonds Olivier Messiaen–Yvonne Loriod (150 linear metres of manuscripts and notebooks, photographs and letters, books and posters, the accumulated artefacts of two extraordinary lives), was transferred to the music department of the Bibliothèque Nationale de France (hereafter BNF) in 2015.2 The enormous size and hoardish profile of the donation present unique challenges for librarians and scholars alike. In this respect, the collection resembles Messiaen’s teeming Treatise of Rhythm, Colour and Ornithology (hereafter Traité ), the pedagogical summa left unfinished at his death and posthumously assembled into seven sprawling tomes.3 This resemblance is no coincidence: both the archives and the Traité were compiled by Yvonne Loriod herself, the virtuoso pianist whom Messiaen met when she became his student at the Paris Conservatoire, and who was his chief interpreter from the 1940s, his companion throughout the 1950s, and at last his second wife from 1961. Loriod spent much of the 18-year period between Messiaen’s death and hers painstakingly compiling her husband’s musical and material heritage (along with her own) for our future benefit, careful to leave no stone unturned.4 Notwithstanding the impressive pace at which the BNF is inventorying, cataloguing, stamping and digitizing the collection (for consultation within the library only), it will take many more years before the totality of the

中文翻译：

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Messiaen、Loriod、鸟类和蜜蜂

在巴黎卢瓦街的几层封闭的书架中，有一根又短又粗的棍子，温柔地藏在一个盒子里。作为阿西西之旅的纪念品，它带有手写标签：“方济会长袍的颜色准确！”1 棍子，以及 Fonds Olivier Messiaen–Yvonne Loriod 的其余部分（150 米长的手稿和笔记本、照片和信件、书籍和海报，两个非凡生活的累积文物）于 2015 年转移到法国国家图书馆（以下简称 BNF）的音乐部门。2 捐赠的巨大规模和囤积的形象对图书馆员和学者提出了独特的挑战一样。在这方面，该系列类似于 Messiaen 丰富的韵律、色彩和鸟类学论文（以下简称 Traité），