_Instantaneous Recordings._ A few hospitals will have the good fortune to acquire a record-cutter for hospital recording of radio music. When this is possible, the record collection can be augmented most satisfactorily. The music aide should study all radio programs to determine the hours during which the best performances of desired music are played. By listening to several carefully selected programs each week he will soon discover which programs use music employed in a manner most desirable for hospital reproduction. The orchestrations of Kostelanetz and Lombardo are especially suitable for easy listening in the field of popular music. The broadcasts of the Metropolitan Opera Association include passages not commercially recorded or at least not recorded with the most popular singers. There are many other radio features which are worth recording for the hospital record library. It is relatively easy to operate a record-cutter, but there are many minor details which must be known for maximum efficiency. An excellent book for beginners is that published by the Audak Company of New York, _How to Make Good Recordings_. _Sheet Music._ A library of sheet music will once more depend upon the local needs. It may include orchestral, instrumental, vocal, and band music. In the hospital for the chronically ill, a large number of varieties will be needed. Inasmuch as the simplest group performance will be vocal, music for group singing should head the list. The music should include old-time favorites, hymns, spirituals and any other items which the aide can determine from the intellectual and musical qualifications and desires of the patients. This type of music can be purchased individually and increased according to the interest shown. If there is a patient band, the musical scores should include a few marches which may be used at the beginning and end of its concerts. The perennial favorites most desirable for community singing should constitute a major portion of the orchestral literature. The readily available medleys of Victor Herbert melodies and similar stand-bys can complete the initial group. Sheet music should be catalogued and filed in cabinets. A simple system of shelving consists of grouping music according to use: one shelf for group playing, one for solo and beginners instrumental books, and another for vocal selections. The numbers most commonly and currently used by the band can be placed in folders according to the accepted usage among bands, and if there are daily rehearsals they can remain on the band stands at all times. The library should also contain books, printed forms, or mimeographed collections of songs for distribution to patients during community singing.