======================== unified (from filesystem) ========================
                                         'bitrate'  '191.971'
                                        'duration'  '175'
                                          'artist'  'Sparks'
                                     'text_people'  ''
                                         'release'  "A Woofer in Tweeter's Clothing"
                                           'title'  'Underground'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['new wave', 'synth pop', 'rock', 'pop', 'glam rock']"
                                     'discogstags'  "['rock', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '11'
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '135'
                                             'key'  '4B'
                                        'acoustid'  '94043484-f62d-4503-897e-a1356f1b20fc'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "A Woofer in Tweeter's Clothing"
'TBPM' (BPM (beats per minute))                     '135'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDOR' (Original release time)                      '1973'
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         'Underground'
'TKEY' (Initial key)                                '4B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Sparks'
'TPE2' (Band/orchestra/accompaniment)               'Sparks'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Bearsville Records'
'TRCK' (Track number/Position in set)               '8/11'
'TSO2'                                              'Sparks'
'TSOP' (Performer sort order)                       'Sparks'
'TSRC' (ISRC (international standard recording code))  'USRH10552341'
'TXXX:Acoustid Id'                                  '94043484-f62d-4503-897e-a1356f1b20fc'
'TXXX:Artists'                                      'Sparks'
'TXXX:CATALOGNUMBER'                                'BR 2110'
'TXXX:MusicBrainz Album Artist Id'                  'f319b57a-a494-40f6-a467-3d196d3484e6'
'TXXX:MusicBrainz Album Id'                         '6894bea4-7632-4538-a638-6cfb38c47c86'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'f319b57a-a494-40f6-a467-3d196d3484e6'
'TXXX:MusicBrainz Release Group Id'                 '9e75a2e8-d3ed-328b-9dc5-e0c5cfa327d3'
'TXXX:MusicBrainz Release Track Id'                 '4355de99-010b-3dc8-af99-a5302e8b057d'
'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:discogstags'                                  ['rock', 'pop']
'TXXX:lastfmtags'                                   ['new wave', 'synth pop', 'rock', 'pop', 'glam rock']
'TXXX:originalyear'                                 '1973'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.32 dB'
'TXXX:replaygain_track_peak'                        '0.723577'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'cc263160-b117-4081-8a70-f9018297e403')

========================== row from database ==========================
                                              'id'  1527807
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Sparks/(1972) A Woofer In Tweeter_s Clothing/08 - Underground.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  175
                                           'genre'  rock-cppex
                                        'filesize'  4314706
                                           'mtime'  1636921777
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy (1972) In Tweeter_s 08 rock cppex
                                      'tag_artist'  Sparks
                                     'tag_release'  A Woofer in Tweeter's Clothing
                                       'tag_title'  Underground
                                             'bpm'  135.0
                                    'search_title'  'underground':1
                                   'search_artist'  'sparks':1
                                  'search_release'  'a':1 'clothing':7 'in':3 's':5 'tweeter':4 'tweeters':6 'woofer':2
                                     'search_rest'  '1972':2,3 'classicprogpsy':1 'cppex':8 'in':4 'rock':7 's':6 'tweeter':5
                                    'search_combo'  '1972':11,12 'a':3C 'classicprogpsy':10 'clothing':9C 'cppex':17 'in':5C,13 'rock':16 's':7C,15 'sparks':2B 'tweeter':6C,14 'tweeters':8C 'underground':1A 'woofer':4C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['new wave', 'synth pop', 'rock', 'pop', 'glam rock']
                                        'tag_date'  1973
                                     'discogstags'  ['rock', 'pop']

============================== file details ==============================
                                           'mtime'  1636921776.7427957  (2021-11-14 21:29:36)
                             'size'  4314706