| Jota de Mórdomo / Danza de Gargamala | Berrogüetto | | | 3:43 | instrument (als “arpa céltica”) |
| Joy to the World | Ann Heymann | | | 4:57 | instrument (als “celtic harp”) |
| Joy to the World/The Gift | Al Petteway and Amy White | | | 4:36 | instrument (als “Celtic Harp”) |
| June Morning | Philip Boulding | | | 3:23 | instrument |
| Just West of Monmouth | Robin Williamson | | | 3:36 | instrument (als “Celtic harp”) |
| Kanon | Maja Taube | | | 4:53 | instrument (als “Celtic Harp”) |
| karussell 1 | Peter Rosmanith | | | 6:01 | instrument |
| Kaschubisches Weihnachtslied | Maja Taube | | | 3:45 | instrument (als “Celtic Harp”) |
| Katahdin | Castlebay | | | 4:58 | instrument |
| Ken Ye Ought o’ Captain Grose? | Mairi Campbell | | | 2:10 | instrument |
| King | Eluveitie | | | 5:26 | instrument |
| King Herod and the Cock | [traditional] | | | 1:41 | instrument |
| Kingdom Come Undone | Eluveitie | | | 3:33 | instrument |
| Kojo No Tsuki | Helen Davies | | | 2:43 | arrangeur van instrumenten |
| Konzert B-Dur: Allegro | Maja Taube | | | 2:59 | instrument (als “Celtic Harp”) |
| Konzert B-Dur: Andante Allegro | Maja Taube | | | 3:32 | instrument (als “Celtic Harp”) |
| Konzert B-Dur: Larghetto | Maja Taube | | | 4:40 | instrument (als “Celtic Harp”) |
| KÜSTE Coast | Christine Högl | | | 5:11 | instrument (als “Celtic harp”) |
| Kyklopes | Helena Espvall & Masaki Batoh | | | 12:42 | instrument (als “Celtic harp”) |
| Kyrie Virginitatus Amator | Simon Chadwick | | | 1:29 | instrument (als “a newly commissioned replica of the famous medieval Scottish 'Queen Mary' harp”) |
| L'uomo di Aran (reprise) | Dunwich | | | 2:01 | instrument (als “celtic harp”) |
| La Danse des Fées | Françoise Cornwell | | | 4:05 | instrument |
| La veglia degli angeli | Dunwich | | | 3:49 | instrument (als “celtic harp”) |
| Lads of Leight | Siobhán Armstrong, Les Witches | | | 2:59 | instrument |
| Lady Dillon | Liam O’Flynn | | | 4:13 | instrument |
| Lady Elizabeth Cole's Reel | Kenina Richings | | | 2:18 | instrument (als “harp”) |
| Lady Mary Hay's Scots Measure | Jordi Savall & Andrew Lawrence‐King | | | 2:23 | instrument |
| Lagan Love | Caroline Lavelle | | | 5:45 | instrument |
| Laura Bhisa | Alison Kinnaird, Laura Marshall & Justin Busbridge | | | 3:23 | instrument (als “harp”) |
| Laura's Slow Reel | Cathy Palmer | | | 2:29 | instrument (als “Celtic harp”) |
| Lavender | Avantasia feat. Bob Catley | | 3 | 4:30 | instrument |
| Ld Gallaways Lamentation | Siobhán Armstrong, Les Witches | | | 6:07 | instrument |
| Le Bal des Laze | Michel Polnareff | | | 4:56 | instrument (als “harpe irlandaise”) |
| Le Chant de Dana | Françoise Cornwell | | | 3:38 | instrument |
| Le temps a laissé son manteau | Michel Polnareff | | | 0:40 | instrument (als “harpe irlandaise”) |
| Les Douze Mois de l’année | Emmanuelle Parrenin | | | 5:49 | instrument (als “harpe bardique”) |
| Les Enfants du Roy Lir | Françoise Cornwell | | | 3:36 | instrument |
| Les Incantations d'Amhergin | Françoise Cornwell | | | 3:57 | instrument |
| Les Origines de la Harpe | Françoise Cornwell | | | 1:59 | instrument |
| Let All Things Now Living | Michael Card | | | 3:11 | instrument (als “Celtic harp”) |
| Lewis Bridal Song | Angelica Ottewill | | | 3:16 | instrument (als “Celtic harp”) |
| Lily Pond | Vashti Bunyan | | | 1:24 | instrument |
| Linden Lea | Angelica Ottewill | | | 2:33 | instrument (als “Celtic harp”) |
| Live With Lonesome | Little Big Town | | 4 | 3:47 | instrument (als “celtic harp”) |
| Loftus Jones | Abby Newton | | | 4:13 | instrument (als “celtic harp”) |
| Loftus Jones | The Angel Band | | | 3:38 | instrument (als “Celtic harp”) |
| Long mo Bhruadair | Riona Whyte | | | 3:30 | instrument (als “clàrsach”) |
| Longa Noite de Pedra | Sangre de Muerdago | | | 6:03 | instrument (als “Celtic harp”) |
| Lördagvisa | Aryeh Frankfurter | | | 4:45 | instrument (als “Celtic Harp”) |
| Love Came Down at Christmas / Long Ago and Far Away | Ann Heymann | | | 3:53 | instrument (als “celtic harp”) |
| Lovers of Light | Afro Celt Sound System | | | 3:58 | instrument (als “celtic harp”) |
| Luadh an Toraidh (Harvest Waulking) | Mischa Macpherson | | | 5:58 | instrument (als “harp”) |
| Lude’s Supper | Simon Chadwick | | | 2:10 | instrument (als “a newly commissioned replica of the famous medieval Scottish 'Queen Mary' harp”) |
| Luke Dillon | Aryeh Frankfurter | | | 3:55 | instrument (als “Celtic Harp”) |
| Lullay My Child / Verbum Bonum Slipjig / The Green Fields of Glentown | Joglaresa | | | 7:44 | instrument |
| Luna | Omnia | | | 4:43 | instrument |
| Lupercalia | Faun | | | 3:15 | instrument (als “celtic harp”) |
| Lvgvs | Eluveitie | | 4 | 4:16 | instrument |
| Lvgvs (instrumental) | Eluveitie | | | 4:25 | instrument |
| Mabel Kelly | The Angel Band | | | 4:48 | instrument (als “Celtic harp”) |
| Mabel Kelly | Aryeh Frankfurter | | | 5:28 | instrument (als “Celtic Harp”) |
| Mabon | Omnia | | | 6:13 | instrument |
| MacDonnell's March | Lewis Harp Group with Wendy Stewart and Alison Kinnaird | | | 2:31 | instrument (als “harp”) |
| Mackerel Jig / Out on the Ocean | Castlebay | | | 3:02 | instrument |
| Maggie West's Waltz | Lewis Harp Group with Wendy Stewart and Alison Kinnaird | | | 2:18 | instrument (als “harp”) |
| Màiri Bhàn Og: Mary Young & Fair | Jordi Savall & Andrew Lawrence‐King | | | 4:28 | instrument |
| Majestic in Any Light | Dan Gibson | | | 4:29 | instrument (als “celtic harp”) |
| Maniac | Avantasia | | 5 | 4:31 | instrument |
| Marni Swanson of the Grey Coast | Lewis Harp Group with Wendy Stewart and Alison Kinnaird | | | 3:23 | instrument (als “harp”) |
| Marv Pontkalleg | Alan Stivell | | | 3:40 | instrument (als “celtic harp”) |
| Mary O’Neill | Siobhán Armstrong, Les Witches | | | 3:43 | instrument |
| Mary Queen of Scots Lament | Mae McKenna | | | 5:28 | instrument |
| Maurice O’Connor 2nd Air | The Angel Band | | | 3:14 | instrument (als “Celtic harp”) |
| McLoud’s Salute | Simon Chadwick | | | 1:14 | instrument (als “a newly commissioned replica of the famous medieval Scottish 'Queen Mary' harp”) |
| MELKABA | Yasunori Mitsuda & Millennial Fair | | | 7:24 | instrument |
| Merry Christmas | Joemy Wilson | | | 2:43 | instrument (als “Celtic harp”) |
| Mhnathan a' Ghlinne So | Father Sydney MacEwan | | | 3:17 | instrument (als “clarsaich”) |
| Mine Is the Fury | Eluveitie | | 5 | 3:34 | instrument |
| Miss Hamilton | Siobhán Armstrong, Les Witches | | | 4:15 | instrument |
| Mist-covered Mountains (Chì mì na mòr bheanna) | The New London Orchestra, Ronald Corp, Laurence Perkins, Catriona McKay | | | 4:15 | instrument |
| Mo Shoraidh do 'n Eilean | Riona Whyte | | | 3:36 | instrument (als “clàrsach”) |
| Molly Halfpenny (Molly O’hailpin) | Siobhán Armstrong, Les Witches | | | 3:45 | instrument |
| Moonglow | Avantasia | | 4 | 3:56 | instrument |
| Moonrise | Maja Taube | | | 3:18 | instrument (als “Celtic Harp”) |
| Morgan Magan | Joemy Wilson | | | 3:13 | instrument (als “Celtic harp”) |
| Morning Has Broken | Michael Card | | | 3:09 | instrument (als “Celtic harp”) |
| Mornoambarina | Berrogüetto | | | 5:42 | instrument (als “arpa céltica”) |
| Morrigan | Omnia | | | 7:05 | instrument |
| Mr. Corrnake Allman | Connack MacDermott | | | 1:00 | instrument |
| Mrs Jamieson's Favourite | Alison Kinnaird, Laura Marshall & Justin Busbridge | | | 3:14 | instrument (als “harp”) |
| Mrs. Cole | Henrik Bjørslev & Jakob Sunesen | | | 4:12 | instrument |
| Mull of the Mountain | Aryeh Frankfurter | | | 4:30 | instrument (als “Celtic Harp”) |
| Music of Spey | Aryeh Frankfurter | | | 5:09 | instrument (als “Celtic Harp”) |
| Musique sacrée: Tremen'ra pep tra (1) / Pedenn ewid Breizh / Tremen'ra pep tra (2) / Spered santel / Dor I / Piberezh: Cumh chlaibhers / Lament for the Children / McDonuill of the Isles / Dor II | Alan Stivell | | | 17:59 | instrument (als “celtic harp”) |
| Must I Go Bound | Susan Reed | | | 2:05 | instrument (als “Irish harp”) |
| My Heart's in the Hieland's / Come by the Hills | Castlebay | | | 5:02 | instrument |
| My Heart’s in the Highlands | Karine Polwart | | | 3:15 | instrument |
| My Love Across the Water | Castlebay | | | 4:55 | instrument |
| Mysterious Mist | Dan Gibson | | | 5:10 | instrument (als “celtic harp”) |
| Nantosvelta | Eluveitie | | | 2:45 | instrument |