Now this I do not understand: The original cue file (below), displays the same errors, but when opened in MusicBee, the player, the tags are perfect?
TITLE "100 Best Adagio Voices CD1"
CATALOG 5099969772528
REM GENRE "Classical"
REM DATE 2009
FILE "100 Best Adagio Voices CD1.flac" WAVE
TRACK 01 AUDIO
TITLE "Vocalise, Op.43/No.4"
PERFORMER "Natalie Dessay/Berliner Symphoniker"
ISRC FRZ119702170
INDEX 01 00:00:00
TRACK 02 AUDIO
TITLE "Agnus Dei "
PERFORMER "Winchester Cathedral Choir/David Hill"
ISRC GBPFW0600046
INDEX 00 05:21:04
INDEX 01 05:22:10
TRACK 03 AUDIO
TITLE "Pavane Op. 50 (1992 Digital Remaster)"
PERFORMER "Edinburgh Festival Chorus/Orchestre De Paris/Daniel Barenboim"
ISRC GBAYC7400038
INDEX 00 13:08:54
INDEX 01 13:09:70
TRACK 04 AUDIO
TITLE "Il Giustino. Vedro con mio diletto"
PERFORMER "Philippe Jaroussky/Ensemble Matheus /Jean-Christophe Spinosi"
ISRC GBAYC0601627
INDEX 00 19:28:48
INDEX 01 19:31:21
TRACK 05 AUDIO
TITLE "Così fan tutte. Soave sia il vento"
PERFORMER "Carol Vaness/Delores Ziegler/Claudio Desderi/London Philharmonic Orchestra/Bernard Haitink"
ISRC GBAYC8602958
INDEX 00 24:42:45
INDEX 01 24:43:56
TRACK 06 AUDIO
TITLE "Saul (2002 Digital Remaster), ACT 1: O Lord, whose mercies numberless"
PERFORMER "Sir Philip Ledger/English Chamber Orchestra/Sir Thomas Allen/Robert Tear/Paul Esswood/Charles Daniels/Sally Burgess/Margaret Marshall/Gareth Morrell/Martyn Hill/Matthew Best"
ISRC GBAYC0201662
INDEX 00 27:45:14
INDEX 01 27:47:63
TRACK 07 AUDIO
TITLE "Le nozze di Figaro (highlights) (1989 Digital Remaster), Act II: Porgi, amor"
PERFORMER "Elisabeth Schwarzkopf/Philharmonia Orchestra/Carlo Maria Giulini"
ISRC GBAYC8904989
INDEX 00 31:49:21
INDEX 01 31:51:29
TRACK 08 AUDIO
TITLE "Le Siège de Corinthe, 'Assedio di Corinto': Juste ciel! ah, ta clémence est ma seule espérance"
PERFORMER "Katia Ricciarelli/Gabriele Ferro"
ISRC GBAYC9104267
INDEX 00 35:32:08
INDEX 01 35:34:25
TRACK 09 AUDIO
TITLE "La Wally: Ebben?...Ne andrò lontana"
PERFORMER "Barbara Hendricks/Paavo Järvi/Orchestre Philharmonique De Radio France"
ISRC GBAYC0301920
INDEX 00 39:10:20
INDEX 01 39:12:22
TRACK 10 AUDIO
TITLE "La Forza del Destino: La Vergine degli' angeli (Act 2)"
PERFORMER "Montserrat Caballé/Ambrosian Opera Chorus/Royal Philharmonic Orchestra/Anton Guadagno"
ISRC GBAYC9501335
INDEX 00 43:34:44
INDEX 01 43:36:07
TRACK 11 AUDIO
TITLE "Lakmé - Acte I - Flower Duet : Dome Épais (Remasterisé En 2009)"
PERFORMER "Alain Lombard - Mady Mesple - Danielle Millet - Orchestre Du Théatre National De L'Opéra Comique"
ISRC FRZ110900347
INDEX 00 47:03:03
INDEX 01 47:04:28
TRACK 12 AUDIO
TITLE "Les Contes D'Hoffmann, Act Four: Belle Nuit, Ô Nuit D'Amour (Nicklausse/Giulietta/Choeurs)"
PERFORMER "Ann Murray/Jessye Norman/Brussels National Opera Chorus/Orchestre Symphonique De L'Opéra National, Bruxelles/Sylvain Cambreling"
ISRC GBAYC8600596
INDEX 00 51:50:38
INDEX 01 51:52:40
TRACK 13 AUDIO
TITLE "Les Pêcheurs de perles: A cette voix quel trouble... Je crois entendre encore (Nadir)"
PERFORMER "Rolando Villazon/Münchner Rundfunkorchester/Michel Plasson"
ISRC GBAYC0900439
INDEX 00 56:10:16
INDEX 01 56:12:59
TRACK 14 AUDIO
TITLE "Gianni Schicchi (1987 Digital Remaster): O mio babbino caro"
PERFORMER "Montserrat Caballé/Sir Charles MacKerras/London Symphony Orchestra"
ISRC GBAYC8700809
INDEX 00 59:18:64
INDEX 01 59:19:64
TRACK 15 AUDIO
TITLE "Rusalka: Song to the Moon (Act I)"
PERFORMER "Lucia Popp/Münchner Rundfunkorchester/Stefan Soltesz"
ISRC GBAYC8700951
INDEX 00 61:59:59
INDEX 01 62:01:20
TRACK 16 AUDIO
TITLE "Madama Butterfly (1987 Digital Remaster): Humming Chorus (Act II)"
PERFORMER "Chorus Of The Royal Opera House, Covent Garden/Orchestra Of The Royal Opera House, Covent Garden/Lamberto Gardelli"
ISRC GBAYC8702054
INDEX 00 67:53:48
INDEX 01 67:55:10
TRACK 17 AUDIO
TITLE "The Tsar's Bride (1995 Digital Remaster): Lyubasha's Aria: You wil pay"
PERFORMER "Galina Vishnevskaya/London Philharmonic Orchestra/Mstislav Rostropovich"
ISRC GBAYC9502656
INDEX 00 71:02:25
INDEX 01 71:03:56
That's where the 'weird' characters are from.
Someone more familiar with MusicBee might know if (instead of using the CUE data) it retrieves metadata from an online source.