======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '250'
                                          'artist'  'Black Mountain'
                                     'text_people'  ''
                                         'release'  'IV'
                                           'title'  'Cemetery Breeding'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['indie rock', 'indie', 'stoner rock', 'psychedelic rock', 'rock', "
 "'psychedelic']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '10'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '115'
                                             'key'  '8B'
                                        'acoustid'  '9b2ef523-9ab8-4353-8524-1f02a26bef2b'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunes_CDDB_1:eng'                            '8A0D2E0A+253252+10+150+38721+53999+72155+97089+115185+132737+151500+191095+212444'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '7'
'TALB' (Album/Movie/Show title)                     'IV'
'TBPM' (BPM (beats per minute))                     '115'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDOR' (Original release time)                      '2016'
'TDRC' (Recording time)                             '2016-04-01'
'TIT2' (Title/songname/content description)         'Cemetery Breeding'
'TKEY' (Initial key)                                '8B'
'TLEN' (Length)                                     '249293'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Black Mountain'
'TPE2' (Band/orchestra/accompaniment)               'Black Mountain'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Jagjaguwar'
'TRCK' (Track number/Position in set)               '7/10'
'TSO2'                                              'Black Mountain'
'TSOP' (Performer sort order)                       'Black Mountain'
'TSRC' (ISRC (international standard recording code))  'US38Y1627707'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.99.5 (http://lame.sf.net)'
'TXXX:ASIN'                                         'B01ACDYURS'
'TXXX:Acoustid Id'                                  '9b2ef523-9ab8-4353-8524-1f02a26bef2b'
'TXXX:Artists'                                      'Black Mountain'
'TXXX:BARCODE'                                      '656605227764'
'TXXX:CATALOGNUMBER'                                'JAG277'
'TXXX:MusicBrainz Album Artist Id'                  '4898b9ad-f564-4ff1-9046-b1a16dfd5200'
'TXXX:MusicBrainz Album Id'                         'b8aecdb8-9e7b-4396-8b55-30fd4554b6c2'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '4898b9ad-f564-4ff1-9046-b1a16dfd5200'
'TXXX:MusicBrainz Release Group Id'                 '6ed676b4-0f70-4b01-a0f2-fab6b96cb2d1'
'TXXX:MusicBrainz Release Track Id'                 '77d32c60-8a07-4983-9363-0f1b216bed21'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie rock',
 'indie',
 'stoner rock',
 'psychedelic rock',
 'rock',
 'psychedelic']
'TXXX:originalyear'                                 '2016'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.93 dB'
'TXXX:replaygain_track_peak'                        '0.414594'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'71c0164c-cac4-4c9e-ae27-5034f5e08a8c')

========================== row from database ==========================
                                              'id'  1415438
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Black Mountain - IV (2016) [320]/07 Black Mountain - Cemetery Breeding.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  250
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  10080800
                                           'mtime'  1620736111
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy (2016) [320] 07 rock cppex psychedelic
                                      'tag_artist'  Black Mountain
                                     'tag_release'  IV
                                       'tag_title'  Cemetery Breeding
                                             'bpm'  115.0
                                    'search_title'  'breeding':2 'cemetery':1
                                   'search_artist'  'black':1 'mountain':2
                                  'search_release'  'iv':1
                                     'search_rest'  '2016':2,3 '320':4,5 'classicprogpsy':1 'cppex':7 'psychedelic':8 'rock':6
                                    'search_combo'  '2016':7,8 '320':9,10 'black':3B 'breeding':2A 'cemetery':1A 'classicprogpsy':6 'cppex':12 'iv':5C 'mountain':4B 'psychedelic':13 'rock':11
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', '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-2']
                                      'lastfmtags'  ['indie rock', 'indie', 'stoner rock', 'psychedelic rock', 'rock', 'psychedelic']
                                        'tag_date'  2016
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736110.8473885  (2021-05-11 14:28:30)
                             'size'  10080800