======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '173'
                                          'artist'  'Fugazi'
                                     'text_people'  ''
                                         'release'  '13 Songs'
                                           'title'  'Bulldog Front'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'post hardcore', 'hardcore', 'punk', 'indie rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '13'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '136.7'
                                             'key'  '12B'
                                        'acoustid'  '35a30f9b-2443-4707-b13d-ee89353a3157'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '13 Songs'
'TBPM' (BPM (beats per minute))                     '136.7'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDOR' (Original release time)                      '1989'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Bulldog Front'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Fugazi'
'TPE2' (Band/orchestra/accompaniment)               'Fugazi'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Dischord Records'
'TRCK' (Track number/Position in set)               '2/13'
'TSO2'                                              'Fugazi'
'TSOP' (Performer sort order)                       'Fugazi'
'TXXX:Acoustid Id'                                  '35a30f9b-2443-4707-b13d-ee89353a3157'
'TXXX:CATALOGNUMBER'                                'DISCHORD 36'
'TXXX:MusicBrainz Album Artist Id'                  '233fc3f3-6de2-465c-985e-e721dbabbace'
'TXXX:MusicBrainz Album Id'                         'f64e26a7-99f4-4dc9-918e-a6da60fd5c38'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '233fc3f3-6de2-465c-985e-e721dbabbace'
'TXXX:Q-HAP'                                        '3'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'post hardcore', 'hardcore', 'punk', 'indie rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.19 dB'
'TXXX:replaygain_track_peak'                        '0.439740'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f6b78a47-90b4-41d4-b553-8eee90e9eadc')

========================== row from database ==========================
                                              'id'  1308048
                                            'path'  /data/Music/Bulk/00poprockelectronic/Fugazi/02 - bulldog front.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  173
                                           'genre'  rock-gr-punk
                                        'filesize'  7029460
                                           'mtime'  1622659284
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 02 bulldog front rock gr punk
                                      'tag_artist'  Fugazi
                                     'tag_release'  13 Songs
                                       'tag_title'  Bulldog Front
                                             'bpm'  136.7
                                    'search_title'  'bulldog':1 'front':2
                                   'search_artist'  'fugazi':1
                                  'search_release'  'songs':1
                                     'search_rest'  '00poprockelectronic':1 'bulldog':2 'front':3 'gr':5 'punk':6 'rock':4
                                    'search_combo'  '00poprockelectronic':5 'bulldog':1A,6 'front':2A,7 'fugazi':3B 'gr':9 'punk':10 'rock':8 'songs':4C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['indie', 'post hardcore', 'hardcore', 'punk', 'indie rock']
                                        'tag_date'  1989
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659283.7443497  (2021-06-02 20:41:23)
                             'size'  7029460