======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '150'
                                          'artist'  'Fugazi'
                                     'text_people'  ''
                                         'release'  '13 Songs'
                                           'title'  'Margin Walker'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', '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'  '8'
                                      'tracktotal'  '13'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '145.1'
                                             'key'  '11A'
                                        'acoustid'  'ae18693b-1f76-403e-8f61-8ee1f0b9e39d'
rest: ''

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

'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     '13 Songs'
'TBPM' (BPM (beats per minute))                     '145.1'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDOR' (Original release time)                      '1989'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Margin Walker'
'TKEY' (Initial key)                                '11A'
'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)               '8/13'
'TSO2'                                              'Fugazi'
'TSOP' (Performer sort order)                       'Fugazi'
'TXXX:Acoustid Id'                                  'ae18693b-1f76-403e-8f61-8ee1f0b9e39d'
'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'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'post hardcore', 'hardcore', 'punk', 'indie rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'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'                        '0.516819'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'55531191-590d-4ed9-9abc-d7d48bee9c24')

========================== row from database ==========================
                                              'id'  1321464
                                            'path'  /data/Music/Bulk/00poprockelectronic/Fugazi/13 songs/08 fugazi - margin walker.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  150
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  2407384
                                           'mtime'  1621697409
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic songs 08 fugazi margin walker ifs songwriter indie rock
                                      'tag_artist'  Fugazi
                                     'tag_release'  13 Songs
                                       'tag_title'  Margin Walker
                                             'bpm'  145.1
                                    'search_title'  'margin':1 'walker':2
                                   'search_artist'  'fugazi':1
                                  'search_release'  'songs':1
                                     'search_rest'  '00poprockelectronic':1 'fugazi':3 'ifs':6 'indie':8 'margin':4 'rock':9 'songs':2 'songwriter':7 'walker':5
                                    'search_combo'  '00poprockelectronic':5 'fugazi':3B,7 'ifs':10 'indie':12 'margin':1A,8 'rock':13 'songs':4C,6 'songwriter':11 'walker':2A,9
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'post hardcore', 'hardcore', 'punk', 'indie rock']
                                        'tag_date'  1989
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621697409.4794133  (2021-05-22 17:30:09)
                             'size'  2407384