======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '131'
                                          'artist'  'Maxence Cyrin'
                                     'text_people'  ''
                                         'release'  'Modern Rhapsodies'
                                           'title'  'SAW2 Untitled Track 8'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
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 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['fip', 'neo classical', 'modern classical', 'instrumental', 'ambient', "
 "'piano']")
                                     'discogstags'  "['electronic', 'modern classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '14'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments;set-cover or covered'
                                             'bpm'  '145.2'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Modern Rhapsodies'
'TBPM' (BPM (beats per minute))                     '145.2'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-classical or classical instruments', 'set-cover or covered']
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-10-24'
'TIT2' (Title/songname/content description)         'SAW2 Untitled Track 8'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Maxence Cyrin'
'TPE2' (Band/orchestra/accompaniment)               'Maxence Cyrin'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'F Communications'
'TRCK' (Track number/Position in set)               '12/14'
'TSO2'                                              'Cyrin, Maxence'
'TSOP' (Performer sort order)                       'Cyrin, Maxence'
'TSRC' (ISRC (international standard recording code))  'FRV220502180'
'TXXX:ASIN'                                         'B000BQORES'
'TXXX:BARCODE'                                      '5413356090321'
'TXXX:CATALOGNUMBER'                                'F 236 CD'
'TXXX:MusicBrainz Album Artist Id'                  '7947dab4-4274-46f4-bc11-135561c110b7'
'TXXX:MusicBrainz Album Id'                         '80ad6ff0-b0ce-4104-a48c-4b4cbe81c68b'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7947dab4-4274-46f4-bc11-135561c110b7'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'modern classical']
'TXXX:lastfmtags'                                   ['fip', 'neo classical', 'modern classical', 'instrumental', 'ambient', 'piano']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '+1.53 dB'
'TXXX:replaygain_track_peak'                        '0.824733'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'cd458d48-18c2-4499-8ec8-7f633f13e8a7')

========================== row from database ==========================
                                              'id'  1116975
                                            'path'  /data/Music/Bulk/00instruments-classical/Maxence Cyrin - modern rhapsodies/12 untitled track 8 (from selected ambient works vol ii) (original by aphex twin).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  131
                                           'genre'  prerock-classical or classical instruments;set-cover or covered
                                        'filesize'  3149456
                                           'mtime'  1636913589
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical modern rhapsodies 12 untitled track (from selected ambient works vol ii) (original by aphex twin) prerock classical or classical instruments;set cover or covered
                                      'tag_artist'  Maxence Cyrin
                                     'tag_release'  Modern Rhapsodies
                                       'tag_title'  SAW2 Untitled Track 8
                                             'bpm'  145.2
                                    'search_title'  '8':4 'saw2':1 'track':3 'untitled':2
                                   'search_artist'  'cyrin':2 'maxence':1
                                  'search_release'  'modern':1 'rhapsodies':2
                                     'search_rest'  '00instruments':1 'ambient':10 'aphex':18 'by':17 'classical':2 'cover':27 'covered':28 'from':7,8 'ii':13,14 'instruments':23,25 'modern':3 'or':22 'original':15,16 'prerock':21 'rhapsodies':4 'selected':9 'set':24,26 'track':6 'twin':19,20 'untitled':5 'vol':12 'works':11
                                    'search_combo'  '00instruments':9 '8':4A 'ambient':18 'aphex':26 'by':25 'classical':10 'cover':35 'covered':36 'cyrin':6B 'from':15,16 'ii':21,22 'instruments':31,33 'maxence':5B 'modern':7C,11 'or':30 'original':23,24 'prerock':29 'rhapsodies':8C,12 'saw2':1A 'selected':17 'set':32,34 'track':3A,14 'twin':27,28 'untitled':2A,13 'vol':20 'works':19
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  12A
                                           '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-2', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['fip', 'neo classical', 'modern classical', 'instrumental', 'ambient', 'piano']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'modern classical']

============================== file details ==============================
                                           'mtime'  1636913589.1844723  (2021-11-14 19:13:09)
                             'size'  3149456