======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '155'
                                          'artist'  'The Coasters'
                                     'text_people'  'Jerry Lieber and Mike Stoller'
                                         'release'  "50 Coastin' Classics [Disc 2]"
                                           'title'  'Hongry'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-2', "
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 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['rock and roll', '60s', 'soul', 'oldies', 'rockabilly']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  '25'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '145.895'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 0000093C 00000938 00005063 00005050 000146BC 000146BC 0000650C 000064E8 '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009F0 0000000000688200 00000000 0038D2F1 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '25+D7E144F572992341B4772F29C6CD9340+3406974'
'TALB' (Album/Movie/Show title)                     "50 Coastin' Classics [Disc 2]"
'TBPM' (BPM (beats per minute))                     '145.895'
'TCOM' (Composer)                                   'Jerry Lieber and Mike Stoller'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1965'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Hongry'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Coasters'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '21/25'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock and roll', '60s', 'soul', 'oldies', 'rockabilly']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.18 dB'
'TXXX:replaygain_track_peak'                        '0.391482'

========================== row from database ==========================
                                              'id'  769309
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/The Coasters - Hongry.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  155
                                           'genre'  set-th-novelty
                                        'filesize'  3731288
                                           'mtime'  1620343095
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] set th novelty
                                      'tag_artist'  The Coasters
                                     'tag_release'  50 Coastin' Classics [Disc 2]
                                       'tag_title'  Hongry
                                             'bpm'  145.895
                                    'search_title'  'hongry':1
                                   'search_artist'  'coasters':2 'the':1
                                  'search_release'  '2':7,8 '50':1 'classics':4 'coastin':2,3 'disc':5,6
                                     'search_rest'  'baby':8,9 'chow':6,7 'country':4 'exotica':2 'jazz':1 'novelty':12 'oldies':3 'set':10 'th':11 'zimelis':5
                                    'search_combo'  '2':10C,11C '50':4C 'baby':19,20 'chow':17,18 'classics':7C 'coasters':3B 'coastin':5C,6C 'country':15 'disc':8C,9C 'exotica':13 'hongry':1A 'jazz':12 'novelty':23 'oldies':14 'set':21 'th':22 'the':2B 'zimelis':16
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', '60s', 'soul', 'oldies', 'rockabilly']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343095.2477472  (2021-05-07 01:18:15)
                             'size'  3731288