======================== unified (from filesystem) ========================
                                         'bitrate'  '236.902'
                                        'duration'  '137'
                                          'artist'  'Twink'
                                     'text_people'  ''
                                         'release'  'The Broken Record'
                                           'title'  'Hammer'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['instrumental', 'toy piano', 'psychedelic rock', 'experimental', "
 "'psychedelic']")
                                     'discogstags'  "['hard house', 'electronic', 'euro house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '21'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-collage;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '112.3'
                                             'key'  '3A'
                                        'acoustid'  'c16995ea-fa9b-4c74-bff7-0296f047160e'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Broken Record'
'TBPM' (BPM (beats per minute))                     '112.3'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-collage', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Hammer'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Twink'
'TPE2' (Band/orchestra/accompaniment)               'Twink'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10/21'
'TSO2'                                              'Twink'
'TSOP' (Performer sort order)                       'Twink'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97'
'TXXX:Acoustid Id'                                  'c16995ea-fa9b-4c74-bff7-0296f047160e'
'TXXX:MusicBrainz Album Artist Id'                  '01e06102-b786-4f0e-a953-90d1a403d891'
'TXXX:MusicBrainz Album Id'                         'c3ce8bfa-2a2f-4d22-afd0-8e00753eb86c'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '01e06102-b786-4f0e-a953-90d1a403d891'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['hard house', 'electronic', 'euro house']
'TXXX:lastfmtags'                                   ['instrumental', 'toy piano', 'psychedelic rock', 'experimental', 'psychedelic']
'TXXX:q-bass'                                       '4'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.13 dB'
'TXXX:replaygain_track_peak'                        '0.826523'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7e03872e-17fd-4417-a1a6-6b7769b25766')

========================== row from database ==========================
                                              'id'  475686
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Twink - The Broken Record (V0)/10 - Twink - Hammer.mp3
                                         'working'  None
                                         'bitrate'  237
                                    'duration_sec'  137
                                           'genre'  electronic-experimental-collage;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  4083499
                                           'mtime'  1636920746
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (V0) 10 electronic experimental collage;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Twink
                                     'tag_release'  The Broken Record
                                       'tag_title'  Hammer
                                             'bpm'  112.3
                                    'search_title'  'hammer':1
                                   'search_artist'  'twink':1
                                  'search_release'  'broken':2 'record':3 'the':1
                                     'search_rest'  'collage':5,7 'electronic':3 'experimental':4 'mor':14 'pl':9 'set':6,8,11,13 'shirleyspinoza':10,12 'v0':1,2
                                    'search_combo'  'broken':4C 'collage':10,12 'electronic':8 'experimental':9 'hammer':1A 'mor':19 'pl':14 'record':5C 'set':11,13,16,18 'shirleyspinoza':15,17 'the':3C 'twink':2B 'v0':6,7
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'toy piano', 'psychedelic rock', 'experimental', 'psychedelic']
                                        'tag_date'  2005
                                     'discogstags'  ['hard house', 'electronic', 'euro house']

============================== file details ==============================
                                           'mtime'  1636920745.570353  (2021-11-14 21:12:25)
                             'size'  4083499