======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '276'
                                          'artist'  'Secret Chiefs 3'
                                     'text_people'  ''
                                         'release'  'First Grand Constitution and Bylaws'
                                           'title'  "Assassin's Blade"
                                           'quals'  ("['Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-3', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'Q-PIANO-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  ("['instrumental', 'experimental rock', 'avant garde', 'experimental', "
 "'electronic']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '21'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise'
                                             'bpm'  '127.766'
                                             'key'  '12A'
                                        'acoustid'  'a4b89cff-6cfb-4376-8797-e67b999eba08'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'First Grand Constitution and Bylaws'
'TBPM' (BPM (beats per minute))                     '127.766'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-experimental or noise'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         "Assassin's Blade"
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Secret Chiefs 3'
'TPE2' (Band/orchestra/accompaniment)               'Secret Chiefs 3'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Mimicry Records'
'TRCK' (Track number/Position in set)               '5/21'
'TSO2'                                              'Secret Chiefs 3'
'TSOP' (Performer sort order)                       'Secret Chiefs 3'
'TXXX:ASIN'                                         'B00004UAM9'
'TXXX:Acoustid Id'                                  'a4b89cff-6cfb-4376-8797-e67b999eba08'
'TXXX:CATALOGNUMBER'                                'WoM 003'
'TXXX:MusicBrainz Album Artist Id'                  '45ec9b41-eeea-42da-8337-28c67a8d2934'
'TXXX:MusicBrainz Album Id'                         'bef33dd9-38e1-423b-a57d-2ff21939c671'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '45ec9b41-eeea-42da-8337-28c67a8d2934'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['instrumental',
 'experimental rock',
 'avant garde',
 'experimental',
 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.26 dB'
'TXXX:replaygain_track_peak'                        '0.564651'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5060f300-0e81-4c9f-9877-6fa915cf825f')

========================== row from database ==========================
                                              'id'  1519688
                                            'path'  /data/Music/Bulk/00poprockelectronic/Secret Chiefs 3/Secret_Chiefs3-First_Grand_Constitution_and_Bylaws-05-Assassin_s_Blade.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  276
                                           'genre'  rock-cppex-experimental or noise
                                        'filesize'  6649040
                                           'mtime'  1620736081
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Secret_Chiefs3 First_Grand_Constitution_and_Bylaws 05 Assassin_s_Blade rock cppex experimental or noise
                                      'tag_artist'  Secret Chiefs 3
                                     'tag_release'  First Grand Constitution and Bylaws
                                       'tag_title'  Assassin's Blade
                                             'bpm'  127.766
                                    'search_title'  'assassin':1 'assassins':3 'blade':4 's':2
                                   'search_artist'  '3':3 'chiefs':2 'secret':1
                                  'search_release'  'and':4 'bylaws':5 'constitution':3 'first':1 'grand':2
                                     'search_rest'  '00poprockelectronic':1 'and':7 'assassin':9 'blade':11 'bylaws':8 'chiefs3':3 'constitution':6 'cppex':13 'experimental':14 'first':4 'grand':5 'noise':16 'or':15 'rock':12 's':10 'secret':2
                                    'search_combo'  '00poprockelectronic':13 '3':7B 'and':11C,19 'assassin':1A,21 'assassins':3A 'blade':4A,23 'bylaws':12C,20 'chiefs':6B 'chiefs3':15 'constitution':10C,18 'cppex':25 'experimental':26 'first':8C,16 'grand':9C,17 'noise':28 'or':27 'rock':24 's':2A,22 'secret':5B,14
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'experimental rock', 'avant garde', 'experimental', 'electronic']
                                        'tag_date'  1996
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736081.026744  (2021-05-11 14:28:01)
                             'size'  6649040