======================== unified (from filesystem) ========================
                                         'bitrate'  '185.037'
                                        'duration'  '132'
                                          'artist'  'Bloodshot Bill'
                                     'text_people'  ''
                                         'release'  'Thunder and Lightning'
                                           'title'  "Girl I Don't Know"
                                           'quals'  ("['Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['country', 'one man band', 'psychobilly', 'rockabilly', 'garage rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '14'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage'
                                             'bpm'  '92.8'
                                             'key'  '10A'
                                        'acoustid'  '10733d2a-62b8-4c2d-9c74-c7edd860eed9'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Thunder and Lightning'
'TBPM' (BPM (beats per minute))                     '92.8'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-garage'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         "Girl I Don't Know"
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Bloodshot Bill'
'TPE2' (Band/orchestra/accompaniment)               'Bloodshot Bill'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Norton Records'
'TRCK' (Track number/Position in set)               '6/14'
'TSO2'                                              'Bloodshot Bill'
'TSOP' (Performer sort order)                       'Bloodshot Bill'
'TXXX:Acoustid Id'                                  '10733d2a-62b8-4c2d-9c74-c7edd860eed9'
'TXXX:Artists'                                      'Bloodshot Bill'
'TXXX:CATALOGNUMBER'                                'ED-370'
'TXXX:MusicBrainz Album Artist Id'                  '8be16063-7c89-4d88-9e3a-c27e38a215d0'
'TXXX:MusicBrainz Album Id'                         'f4430f8a-44d6-49fd-aeea-24a2eb2ea75b'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8be16063-7c89-4d88-9e3a-c27e38a215d0'
'TXXX:MusicBrainz Release Group Id'                 '94262ed4-c281-49d8-aed7-d93bc615f90b'
'TXXX:MusicBrainz Release Track Id'                 '2cb49dfd-9c42-48cf-a41e-f3c5f2ede4b2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['country', 'one man band', 'psychobilly', 'rockabilly', 'garage rock']
'TXXX:originalyear'                                 '2011'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.30 dB'
'TXXX:replaygain_track_peak'                        '0.494939'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd8a27ecd-7a7a-432a-9828-f9fdf26475c8')

========================== row from database ==========================
                                              'id'  1520949
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Bloodshot Bill - Thunder And Lightning (2011, Norton)/06 - Girl I Don_t Know.mp3
                                         'working'  None
                                         'bitrate'  185
                                    'duration_sec'  132
                                           'genre'  rock-gr-garage
                                        'filesize'  3160489
                                           'mtime'  1620388176
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner And (2011, Norton) 06 Don_t rock gr garage
                                      'tag_artist'  Bloodshot Bill
                                     'tag_release'  Thunder and Lightning
                                       'tag_title'  Girl I Don't Know
                                             'bpm'  92.8
                                    'search_title'  'don':3 'dont':5 'girl':1 'i':2 'know':6 't':4
                                   'search_artist'  'bill':2 'bloodshot':1
                                  'search_release'  'and':2 'lightning':3 'thunder':1
                                     'search_rest'  '2011':6,7 'and':5 'don':10 'garage':2 'gr':13 'norton':8,9 'punk':1 'rock':12 'stoner':4 'surf':3 't':11
                                    'search_combo'  '2011':17,18 'and':10C,16 'bill':8B 'bloodshot':7B 'don':3A,21 'dont':5A 'garage':13 'girl':1A 'gr':24 'i':2A 'know':6A 'lightning':11C 'norton':19,20 'punk':12 'rock':23 'stoner':15 'surf':14 't':4A,22 'thunder':9C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['country', 'one man band', 'psychobilly', 'rockabilly', 'garage rock']
                                        'tag_date'  2011
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620388176.0036457  (2021-05-07 13:49:36)
                             'size'  3160489