Artists' Index
| Artist | Group | Instrument/Role |
| Louis Larouche | Trumpet | |
| Jeffrey Lastrapes | Cello | |
| Alexey Lebedev | Piano | |
| Hyuntak (Tak) Lee | Piano | |
| Lesley Lee | Accordion, Bass (Voice), Clarinet, Contralto (voice), Flute, Guitar, Organ, Tenor (voice), Trumpet | |
| Randolph Lee | Cornet, Natural Trumpet, Trumpet | |
| Simon Kyung Lee | Tenor (voice) | |
| Stephen Lee | Composer, Piano | |
| Karl Lenton | Piano | |
| Karl Lenton | Cello | |
| Caroline Lester | Soprano (voice) | |
| Beth Levin | Piano | |
| Gil Levis | Baritone (voice), Composer, Flute, Guitar, Percussion, Piano, Tenor Saxophone | |
| Li Li | Soprano (voice) | |
| Connor Lidell | Baritone (voice), Composer, Percussion, Piano, Timpani, Tuned Percussion | |
| Yanqing Lin | Piano | |
| Peter Litman | Conductor, Organ | |
| Alexander Litvinovsky | Composer | |
| Anthony Stuart Lloyd | Baritone (voice) | |
| Marco Lo Muscio | Organ, Piano | |
| Melanie Lodge | Mezzo-Soprano (voice) | |
| Matthew Logan | Cello, Composer | |
| Rachel Lopez | Flute, Piccolo | |
| Tony Lowe | Piano | |
| Nicoleta Luca-Meitoiu | Piano | |
| Luca Luciano | Clarinet, Composer | |
| natalia luis-bassa | Conductor | |
| Ioana Lupascu | Piano | |
| IRINA MARIA LUPESCU | Violin | |
| Christopher Lydon | Conductor, Violin |
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