======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '30'
                                          'artist'  'Gary Graffman'
                                     'text_people'  'Brahms, Johannes'
                                         'release'  'Nodame Cantabile Best100'
                                           'title'  'Variation on a theme by Paganini, Op.35 - Book I, Variation 13'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-3', 'q-bass-1', 'q-busy-3', 'q-grit-1', "
 "'Q-PIANO-4', 'q-chart-3', 'q-drums-1', 'q-other-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['american', 'piano', 'composer', 'classical', 'classic']"
                                     'discogstags'  "['classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '36'
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '135.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
'COMM:iTunNORM:eng' (' 000000F4 00000115 00000B2A 00000B5F 0000061F 00002FDB 00003104 00003540 ' '00003853 00002F24') 'COMM:iTunPGAP:eng' '0' 'COMM:iTunSMPB:eng' (' 00000000 00000210 00000870 0000000000146280 00000000 000B0A20 00000000 ' '00000000 00000000 00000000 00000000 00000000') 'COMM:iTunes_CDDB_IDs:eng' '36+840EA15B0842122731C755C7A9299A59+8536959' 'TALB' (Album/Movie/Show title) 'Nodame Cantabile Best100' 'TBPM' (BPM (beats per minute)) '135.9' 'TCOM' (Composer) 'Brahms, Johannes' 'TCON' (Content type, a.k.a. Genre) 'prerock-classical or classical instruments' 'TDRC' (Recording time) '1967' 'TENC' (Encoded by) 'iTunes v7.0.2.16' 'TIT2' (Title/songname/content description) 'Variation on a theme by Paganini, Op.35 - Book I, Variation 13' 'TKEY' (Initial key) '8A' 'TPE1' (Lead performer(s)/Soloist(s)) 'Gary Graffman' 'TPE2' (Band/orchestra/accompaniment) 'Various Artists' 'TPOS' (Part of a set) '8/8' 'TRCK' (Track number/Position in set) '14/36' 'TXXX:Q-HAP' '2' 'TXXX:Q-HHRNBTT' '1' 'TXXX:Q-JZFKS' '1' 'TXXX:Q-LOCALNESS' '1' 'TXXX:Q-OLDST' '1' 'TXXX:Q-PIANO' '4' 'TXXX:Q-PLAY' '3' 'TXXX:Q-UNU' '1' 'TXXX:discogstags' 'classical' 'TXXX:lastfmtags' ['american', 'piano', 'composer', 'classical', 'classic'] 'TXXX:q-bass' '1' 'TXXX:q-busy' '3' 'TXXX:q-chart' '3' 'TXXX:q-drums' '1' 'TXXX:q-grit' '1' 'TXXX:q-mixbeat' '1' 'TXXX:q-other' '1' 'TXXX:q-syn' '1' 'TXXX:q-vocals' '1' 'TXXX:replaygain_track_gain' '+0.86 dB' 'TXXX:replaygain_track_peak' '0.586272' ========================== row from database ========================== 'id' 343904 'path' /data/Music/Bulk/00instruments-classical/Compilations/Nodame Cantabile Best100/8-14 Variation on a theme by Paganini, Op.35 - Book I, Variation 13.mp3 'working' None 'bitrate' 192 'duration_sec' 30 'genre' prerock-classical or classical instruments 'filesize' 772787 'mtime' 1637329785 'redo_metaread' 0 'rest_str' 00instruments classical Compilations 8 14 prerock classical or classical instruments 'tag_artist' Gary Graffman 'tag_release' Nodame Cantabile Best100 'tag_title' Variation on a theme by Paganini, Op.35 - Book I, Variation 13 'bpm' 135.9 'search_title' '35':9 'a':3 'book':11 'by':5 'i':12,13 'on':2 'op':8 'op35':10 'paganini':6,7 'theme':4 'variation':1 'search_artist' 'gary':1 'graffman':2 'search_release' 'best100':3 'cantabile':2 'nodame':1 'search_rest' '00instruments':1 '8':4 'classical':2 'compilations':3 'instruments':7 'or':6 'prerock':5 'search_combo' '00instruments':19 '35':9A '8':22 'a':3A 'best100':18C 'book':11A 'by':5A 'cantabile':17C 'classical':20 'compilations':21 'gary':14B 'graffman':15B 'i':12A,13A 'instruments':25 'nodame':16C 'on':2A 'op':8A 'op35':10A 'or':24 'paganini':6A,7A 'prerock':23 'theme':4A 'variation':1A 'tag_tracknum' 14 'num_images' 1 'key' 8A 'quals' ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1', 'q-grit-1'] 'lastfmtags' ['american', 'piano', 'composer', 'classical', 'classic'] 'tag_date' 1967 'discogstags' ['classical'] ============================== file details ============================== 'mtime' 1637329785.028275 (2021-11-19 14:49:45) 'size' 772787