======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '194'
                                          'artist'  'Anti-Flag'
                                     'text_people'  ''
                                         'release'  "Their System Doesn't Work for You"
                                           'title'  'If Not for You'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', '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'  "['political', 'punk rock', 'punk', 'political punk', 'rock']"
                                     'discogstags'  "['punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '19'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '112'
                                             'key'  '8A'
                                        'acoustid'  '896550d1-f29d-48b1-93c9-49b9b22d9e1e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Their System Doesn't Work for You"
'TBPM' (BPM (beats per minute))                     '112'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'If Not for You'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Anti-Flag'
'TPE2' (Band/orchestra/accompaniment)               'Anti-Flag'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'A-F Records'
'TRCK' (Track number/Position in set)               '15/19'
'TSO2'                                              'Anti-Flag'
'TSOP' (Performer sort order)                       'Anti-Flag'
'TXXX:Acoustid Id'                                  '896550d1-f29d-48b1-93c9-49b9b22d9e1e'
'TXXX:Artists'                                      'Anti-Flag'
'TXXX:CATALOGNUMBER'                                'AF001'
'TXXX:MusicBrainz Album Artist Id'                  'b88f21a7-a1b9-48fd-bbc4-ae758026f17f'
'TXXX:MusicBrainz Album Id'                         '04a9106f-6a67-40c9-9905-0344641cdc8f'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b88f21a7-a1b9-48fd-bbc4-ae758026f17f'
'TXXX:MusicBrainz Release Group Id'                 '87141423-bcb4-36ab-85e4-5a9d6018b9ed'
'TXXX:MusicBrainz Release Track Id'                 'e35e2a10-34ac-4dab-98ad-09dd683d7c5a'
'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'                                  ['punk', 'rock']
'TXXX:lastfmtags'                                   ['political', 'punk rock', 'punk', 'political punk', 'rock']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '3'
'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'                        '-0.33 dB'
'TXXX:replaygain_track_peak'                        '1.010072'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f1304caf-d761-4cc0-bc5c-959f2889f3ba')

========================== row from database ==========================
                                              'id'  1531039
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Anti-Flag - Anti Flag/Their System Doesn_t Work 4 U/Anti Flag - If Not For you.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  194
                                           'genre'  rock-gr-punk
                                        'filesize'  3188467
                                           'mtime'  1622658925
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Doesn_t 4 U For you rock gr punk
                                      'tag_artist'  Anti-Flag
                                     'tag_release'  Their System Doesn't Work for You
                                       'tag_title'  If Not for You
                                             'bpm'  112.0
                                    'search_title'  'for':3 'if':1 'not':2 'you':4
                                   'search_artist'  'anti':1 'antiflag':3 'flag':2
                                  'search_release'  'doesn':3 'doesnt':5 'for':7 'system':2 't':4 'their':1 'work':6 'you':8
                                     'search_rest'  '4':7 'doesn':5 'for':9 'garage':2 'gr':12 'punk':1 'rock':11 'stoner':4 'surf':3 't':6 'u':8 'you':10
                                    'search_combo'  '4':22 'anti':5B 'antiflag':7B 'doesn':10C,20 'doesnt':12C 'flag':6B 'for':3A,14C,24 'garage':17 'gr':27 'if':1A 'not':2A 'punk':16 'rock':26 'stoner':19 'surf':18 'system':9C 't':11C,21 'their':8C 'u':23 'work':13C 'you':4A,15C,25
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  8A
                                           '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-3', 'q-grit-3']
                                      'lastfmtags'  ['political', 'punk rock', 'punk', 'political punk', 'rock']
                                        'tag_date'  2013
                                     'discogstags'  ['punk', 'rock']

============================== file details ==============================
                                           'mtime'  1622658925.40752  (2021-06-02 20:35:25)
                             'size'  3188467