======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '101'
                                          'artist'  'blink-182'
                                     'text_people'  ''
                                         'release'  'Dude Ranch'
                                           'title'  'Boring'
                                           '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-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['punk rock', 'pop punk', 'punk', 'alternative', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '15'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '106'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Dude Ranch'
'TBPM' (BPM (beats per minute))                     '106'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997-06-17'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Mark Trombino'], ['membranophone', 'Scott Raynor'], ['bass', 'Mark Hoppus'], ['guitar family', 'Tom DeLonge'], ['lead vocals', 'Tom DeLonge']])
'TIT2' (Title/songname/content description)         'Boring'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'blink-182'
'TPE2' (Band/orchestra/accompaniment)               'blink-182'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Cargo Records'
'TRCK' (Track number/Position in set)               '4/15'
'TSO2'                                              'blink-182'
'TSOP' (Performer sort order)                       'blink-182'
'TSRC' (ISRC (international standard recording code))  'USCR29752450'
'TXXX:ASIN'                                         'B000002P6G'
'TXXX:Artists'                                      'blink-182'
'TXXX:BARCODE'                                      '008811162429'
'TXXX:CATALOGNUMBER'                                'CRGD-11624'
'TXXX:MusicBrainz Album Artist Id'                  '0743b15a-3c32-48c8-ad58-cb325350befa'
'TXXX:MusicBrainz Album Id'                         '8bff2038-e1ab-3ad3-b7f8-f9e0df88d079'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0743b15a-3c32-48c8-ad58-cb325350befa'
'TXXX:MusicBrainz Release Group Id'                 '19b6b24f-b273-3d4b-91f4-0720cd0f3bcd'
'TXXX:MusicBrainz Release Track Id'                 '26e5ff69-0ba1-352e-9a99-dc3f7f911aef'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['punk rock', 'pop punk', 'punk', 'alternative', 'rock']
'TXXX:originalyear'                                 '1997'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.13 dB'
'TXXX:replaygain_track_peak'                        '0.489997'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'016f394e-bf49-4946-9d27-7c6c38aa4b39')

========================== row from database ==========================
                                              'id'  1291286
                                            'path'  /data/Music/Bulk/00poprockelectronic/Blink 182/dude ranch/Blink 182 - Boring.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  101
                                           'genre'  rock-gr-punk
                                        'filesize'  1738518
                                           'mtime'  1622659269
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Blink dude ranch Blink rock gr punk
                                      'tag_artist'  blink-182
                                     'tag_release'  Dude Ranch
                                       'tag_title'  Boring
                                             'bpm'  106.0
                                    'search_title'  'boring':1
                                   'search_artist'  '182':2 'blink':1 'blink182':3
                                  'search_release'  'dude':1 'ranch':2
                                     'search_rest'  '00poprockelectronic':1 'blink':2 'dude':3 'gr':6 'punk':7 'ranch':4 'rock':5
                                    'search_combo'  '00poprockelectronic':7 '182':3B 'blink':2B,8 'blink182':4B 'boring':1A 'dude':5C,9 'gr':12 'punk':13 'ranch':6C,10 'rock':11
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['punk rock', 'pop punk', 'punk', 'alternative', 'rock']
                                        'tag_date'  1997
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659268.8093538  (2021-06-02 20:41:08)
                             'size'  1738518