======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '170'
                                          'artist'  'Thrice'
                                     'text_people'  ''
                                         'release'  'The Artist in the Ambulance'
                                           'title'  'Blood Clots and Black Holes'
                                           'quals'  ("['Q-HAP-2', '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-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['emo', 'punk', 'post hardcore', 'rock', 'alternative', 'hardcore']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '14'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-emo'
                                             'bpm'  '99'
                                             'key'  '5A'
                                        'acoustid'  '44ac9d21-0ce2-4bd8-94c2-40a271992c83'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Artist in the Ambulance'
'TBPM' (BPM (beats per minute))                     '99'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-emo'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-11-25'
'TIT2' (Title/songname/content description)         'Blood Clots and Black Holes'
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '170031'
'TPE1' (Lead performer(s)/Soloist(s))               'Thrice'
'TPE2' (Band/orchestra/accompaniment)               'Thrice'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '9/14'
'TSO2'                                              'Thrice'
'TSOP' (Performer sort order)                       'Thrice'
'TXXX:ASIN'                                         'B0000CD7SG'
'TXXX:Acoustid Id'                                  '44ac9d21-0ce2-4bd8-94c2-40a271992c83'
'TXXX:Artists'                                      'Thrice'
'TXXX:MusicBrainz Album Artist Id'                  '244afcb7-fa9a-49b1-9aa6-0149512d1c52'
'TXXX:MusicBrainz Album Id'                         '3f796758-963c-4a21-959a-118aaa3c122f'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '244afcb7-fa9a-49b1-9aa6-0149512d1c52'
'TXXX:MusicBrainz Release Group Id'                 'ed252afa-a371-3f7e-af68-76ec850ca201'
'TXXX:MusicBrainz Release Track Id'                 '78404b9d-73ef-3354-b3c4-2a59bb68913d'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['emo', 'punk', 'post hardcore', 'rock', 'alternative', 'hardcore']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.382728'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e7ec7dcb-aa27-413e-9d81-9d33adf84169')

========================== row from database ==========================
                                              'id'  1309285
                                            'path'  /data/Music/Bulk/00poprockelectronic/Thrice/The Artist in the Ambulance/09 - Thrice - Clots and Black Holes.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  170
                                           'genre'  rock-gr-punk-emo
                                        'filesize'  4143354
                                           'mtime'  1636400208
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 09 rock gr punk emo
                                      'tag_artist'  Thrice
                                     'tag_release'  The Artist in the Ambulance
                                       'tag_title'  Blood Clots and Black Holes
                                             'bpm'  99.0
                                    'search_title'  'and':3 'black':4 'blood':1 'clots':2 'holes':5
                                   'search_artist'  'thrice':1
                                  'search_release'  'ambulance':4 'artist':2 'in':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 'emo':5 'gr':3 'punk':4 'rock':2
                                    'search_combo'  '00poprockelectronic':11 'ambulance':10C 'and':3A 'artist':8C 'black':4A 'blood':1A 'clots':2A 'emo':15 'gr':13 'holes':5A 'in':9C 'punk':14 'rock':12 'the':7C 'thrice':6B
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  5A
                                           '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['emo', 'punk', 'post hardcore', 'rock', 'alternative', 'hardcore']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636400207.6493874  (2021-11-08 20:36:47)
                             'size'  4143354