1. Variations2: The IU Digital Music Library Project Jon Dunn Assistant Director for Technology IU Digital Library Program IU Forum on Digital Libraries April 16, 2002

2. Variations2 Four-year project Started October 1, 2000 Funding from NSF and NEH through Digital Libraries Phase 2 (DLI2) program Interdisciplinary team of investigators Faculty: Music, SLIS, Law, Computer Science Librarians and technologists: IUB Libraries, UITS Bloomington and Indianapolis campuses

3. Variations2 Project Goals Establish a digital library testbed system for music Develop user interface applications: music library, music instruction Conduct research: usability, metadata, intellectual property

4. Variations2 Participants PI: Michael McRobbie Project Management: Gerry Bernbom, Jon Dunn Steering Group: Blaise Cronin, Gwyn Richards, Suzanne Thorin Usability: Andrew Dillon, Mark Notess Copyright: Kenneth Crews, Kristine Brancolini, Mary Wallace Davidson Music Instruction: Jay Fern, Roberta Lindsey Music Theory: Eric Isaacson Metadata: Mary Davidson, Harriette Hemmasi System Design: Jon Dunn, technical staff Networks/Satellite Sites: Doug Pearson

5. Satellite Sites United States University of Illinois at Urbana-Champaign University of Massachusetts at Amherst Northwestern University United Kingdom Kings College - London Loughborough University University of Oxford Japan Waseda University

6. Variations2 vs. Variations New name Digital Music Library (DML)  Variations2 Builds upon previous work: Variations Existing DL of sound recordings (~7000 titles) and scores (~200 titles) Used in IU Music Library, primarily for course reserves Variations2 = R&D system Variations = production service

7. The Variations2 System Integrated access to music in all formats Digital audio recordings Score images Score notation Video Delivery to wide range of users Faculty: teaching, course design, research Students: coursework, independent study Music librarians, other library users Extensible Multiple user interfaces Staged development

8. Variations2 System Architecture

9. Variations2 Version 1.0 System Architecture

10. Variations2 Version 1.0 To be completed April 2002 Features Infrastructure  Data/metadata repositories, authentication, logging Search and retrieval interface  Based on new data model Presentation/navigation of audio and scanned scores Bookmarking

11. Data Model and Metadata Represent relationships Works (musical compositions) Instantiations (recording/score of individual work) Containers (entire recordings, scores) Other complexities: relationships between works Music thesaurus Enable improved search and navigation Structural metadata to support synchronization

12. INSTANTIATION CONTRIBUTOR WORK CONTAINER MEDIA OBJECT Is create d by Is manifested in Is enclose d in Is represented by

16. Variations2 Version 1.0 Technical Environment Java client application / RMI server Windows and Mac OS X client platforms Unix server QuickTime for Java, Darwin Streaming Server IBM DB2, DB2 Text Information Extender AT&T Labs / LizardTech DjVu image compression

17. Future Versions Roughly a 6-month development cycle Version 2: Fall 2002 Version 3: Spring 2003 etc. Features to be added include: Support for computerized music notation Support for additional image and audio formats Support for new and emerging streaming technologies Support for video

18. Future Versions Features to be added (continued): Support for supplemental recording materials (e.g., liner notes, booklets) Improved browsing interface User interface support for synchronized navigation and playback Instructional authoring, classroom presentation, and instructional delivery interfaces Structure diagramming/visualization tools (e.g., Digital Timeliner)

20. This material is based upon work supported by the National Science Foundation under Grant No. 9909068. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

21. For more information… http://dml.indiana.edu/ dml@dml.indiana.edu