======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '191'
                                          'artist'  'LĪVE'
                                     'text_people'  ''
                                         'release'  'V'
                                           'title'  'OK?'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['00s', '90s', 'nice', '5', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '15'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-gr-alt;set-pl-mor'
                                             'bpm'  '112'
                                             'key'  '12B'
                                        'acoustid'  'b57bb959-f23e-411b-b75b-9f7f2f8a7786'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'V'
'TBPM' (BPM (beats per minute))                     '112'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-alt', 'set-pl-mor']
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-09-17'
'TIT2' (Title/songname/content description)         'OK?'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'LĪVE'
'TPE2' (Band/orchestra/accompaniment)               'LĪVE'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Radioactive Records'
'TRCK' (Track number/Position in set)               '12/15'
'TSO2'                                              'Live'
'TSOP' (Performer sort order)                       'Live'
'TSRC' (ISRC (international standard recording code))  'USMC10111145'
'TXXX:ASIN'                                         'B00005NZKG'
'TXXX:Acoustid Id'                                  'b57bb959-f23e-411b-b75b-9f7f2f8a7786'
'TXXX:Artists'                                      'LĪVE'
'TXXX:BARCODE'                                      '008811248529'
'TXXX:CATALOGNUMBER'                                '112 485-2'
'TXXX:MusicBrainz Album Artist Id'                  'cba77ba2-862d-4cee-a8f6-d3f9daf7211c'
'TXXX:MusicBrainz Album Id'                         '5414ca9e-a30c-4316-a992-5c54613e0f85'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'cba77ba2-862d-4cee-a8f6-d3f9daf7211c'
'TXXX:MusicBrainz Release Group Id'                 '8af3eff2-97d8-3efb-9034-045b8e889dcb'
'TXXX:MusicBrainz Release Track Id'                 '4e0a9128-6e3d-3d18-8343-1e2ab05c120e'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['00s', '90s', 'nice', '5', 'rock']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.14 dB'
'TXXX:replaygain_track_peak'                        '0.397561'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5bb083dc-d910-4aca-827c-d07e18c1e948')

========================== row from database ==========================
                                              'id'  1284604
                                            'path'  /data/Music/Bulk/00poprockelectronic/Live/V/Live - Ok.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  191
                                           'genre'  rock-gr-alt;set-pl-mor
                                        'filesize'  3168417
                                           'mtime'  1628352491
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Live Live Ok rock gr alt;set pl mor
                                      'tag_artist'  LĪVE
                                     'tag_release'  V
                                       'tag_title'  OK?
                                             'bpm'  112.0
                                    'search_title'  'ok':1
                                   'search_artist'  'live':1,2
                                  'search_release'  'v':1
                                     'search_rest'  '00poprockelectronic':1 'alt':6,8 'gr':5 'live':2 'mor':11 'ok':3 'pl':10 'rock':4 'set':7,9
                                    'search_combo'  '00poprockelectronic':5 'alt':10,12 'gr':9 'live':2B,3B,6 'mor':15 'ok':1A,7 'pl':14 'rock':8 'set':11,13 'v':4C
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['00s', '90s', 'nice', '5', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628352491.035398  (2021-08-07 18:08:11)
                             'size'  3168417