======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '75'
                                          'artist'  'Sublime'
                                     'text_people'  ''
                                         'release'  'Sublime'
                                           'title'  'Paddle Out'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-2', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'alternative', 'ska', 'punk', 'rock']"
                                     'discogstags'  "['progressive house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '17'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '120.3'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sublime'
'TBPM' (BPM (beats per minute))                     '120.3'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-07-30'
'TIT2' (Title/songname/content description)         'Paddle Out'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sublime'
'TPE2' (Band/orchestra/accompaniment)               'Sublime'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Gasoline Alley'
'TRCK' (Track number/Position in set)               '10/17'
'TSO2'                                              'Sublime'
'TSOP' (Performer sort order)                       'Sublime'
'TSRC' (ISRC (international standard recording code))  'USGA19649250'
'TXXX:Artists'                                      'Sublime'
'TXXX:BARCODE'                                      '020831168625'
'TXXX:CATALOGNUMBER'                                '*GASD-11413'
'TXXX:MusicBrainz Album Artist Id'                  '95f5b748-d370-47fe-85bd-0af2dc450bc0'
'TXXX:MusicBrainz Album Id'                         '03b864cd-7761-314c-a892-05a89ddff00d'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '95f5b748-d370-47fe-85bd-0af2dc450bc0'
'TXXX:MusicBrainz Release Group Id'                 '0430d8c5-7417-3c4c-9f2a-b7d02ef7d164'
'TXXX:MusicBrainz Release Track Id'                 '13f68871-6e18-33e2-9575-48d877fd9484'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['progressive house', 'electronic']
'TXXX:lastfmtags'                                   ['reggae', 'alternative', 'ska', 'punk', 'rock']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '3'
'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'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.56 dB'
'TXXX:replaygain_track_peak'                        '0.398645'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'651eddc8-864b-4549-9fb1-4277d727ad17')

========================== row from database ==========================
                                              'id'  1356137
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sublime/Sublime/10 - sublime - paddle out.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  75
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  1813554
                                           'mtime'  1620524891
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 10 sublime paddle out loc style reggae or dub or ska or dancehall ska
                                      'tag_artist'  Sublime
                                     'tag_release'  Sublime
                                       'tag_title'  Paddle Out
                                             'bpm'  120.3
                                    'search_title'  'out':2 'paddle':1
                                   'search_artist'  'sublime':1
                                  'search_release'  'sublime':1
                                     'search_rest'  '00poprockelectronic':1 'dancehall':11 'dub':9 'loc':5 'or':8 'out':4 'paddle':3 'reggae':7 'ska':10 'style':6 'sublime':2
                                    'search_combo'  '00poprockelectronic':5 'dancehall':15 'dub':13 'loc':9 'or':12 'out':2A,8 'paddle':1A,7 'reggae':11 'ska':14 'style':10 'sublime':3B,4C,6
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'alternative', 'ska', 'punk', 'rock']
                                        'tag_date'  1996
                                     'discogstags'  ['progressive house', 'electronic']

============================== file details ==============================
                                           'mtime'  1620524891.4796138  (2021-05-09 03:48:11)
                             'size'  1813554