======================== unified (from filesystem) ========================
                                         'bitrate'  '268.477'
                                        'duration'  '187'
                                          'artist'  'Jungbluth'
                                     'text_people'  ''
                                         'release'  'Part Ache'
                                           'title'  'Au Revoir Tristesse'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['screamo', 'hardcore', 'neocrust', 'crust', 'dark hardcore']"
                                     'discogstags'  "['hardcore', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '9'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'eid-metal-crust'
                                             'bpm'  '139.274'
                                             'key'  '6A'
                                        'acoustid'  '86df1095-d6ae-492a-8878-bc117c102b68'
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'Part Ache'
'TBPM' (BPM (beats per minute))                     '139.274'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-crust'
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013-07-22'
'TIT2' (Title/songname/content description)         'Au Revoir Tristesse'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Jungbluth'
'TPE2' (Band/orchestra/accompaniment)               'Jungbluth'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '5/9'
'TSO2'                                              'Jungbluth'
'TSOP' (Performer sort order)                       'Jungbluth'
'TXXX:Acoustid Id'                                  '86df1095-d6ae-492a-8878-bc117c102b68'
'TXXX:MusicBrainz Album Artist Id'                  '6f581d73-56a3-4e5d-a241-9597a3a7e697'
'TXXX:MusicBrainz Album Id'                         'b718a68c-3b1b-4514-84cd-acdd9235e98a'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '6f581d73-56a3-4e5d-a241-9597a3a7e697'
'TXXX:MusicBrainz Release Group Id'                 'd540709c-9314-443c-946c-bc7da496c429'
'TXXX:Q-HAP'                                        '1'
'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'                                  ['hardcore', 'rock']
'TXXX:lastfmtags'                                   ['screamo', 'hardcore', 'neocrust', 'crust', 'dark hardcore']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.05 dB'
'TXXX:replaygain_track_peak'                        '0.375794'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'291fdf20-8698-4266-b372-9cdd07671900')

========================== row from database ==========================
                                              'id'  1399175
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Part Ache - 2013/jungbluth - part ache - 05 au revoir tristesse.mp3
                                         'working'  None
                                         'bitrate'  268
                                    'duration_sec'  187
                                           'genre'  eid-metal-crust
                                        'filesize'  6496494
                                           'mtime'  1620310753
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 2013 jungbluth part ache 05 au revoir tristesse eid metal crust
                                      'tag_artist'  Jungbluth
                                     'tag_release'  Part Ache
                                       'tag_title'  Au Revoir Tristesse
                                             'bpm'  139.274
                                    'search_title'  'au':1 'revoir':2 'tristesse':3
                                   'search_artist'  'jungbluth':1
                                  'search_release'  'ache':2 'part':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '2013':3 'ache':6 'au':7 'crust':12 'eid':10 'jungbluth':4 'metal':11 'part':5 'revoir':8 'tristesse':9
                                    'search_combo'  '00dwimp':7 '00metal':8 '2013':9 'ache':6C,12 'au':1A,13 'crust':18 'eid':16 'jungbluth':4B,10 'metal':17 'part':5C,11 'revoir':2A,14 'tristesse':3A,15
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['screamo', 'hardcore', 'neocrust', 'crust', 'dark hardcore']
                                        'tag_date'  2013
                                     'discogstags'  ['hardcore', 'rock']

============================== file details ==============================
                                           'mtime'  1620310753.4485052  (2021-05-06 16:19:13)
                             'size'  6496494