======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '283'
                                          'artist'  'Jason Crest'
                                     'text_people'  ''
                                         'release'  ('Rolling Stone: Rare Trax, Volume 33: Nine Miles High: British Psychedelia '
 'From the 60s and 70s')
                                           'title'  'Black Mass'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['psychedelic rock', '60s', 'psychedelic', 'garage rock', 'garage']"
                                     'discogstags'  "['psychedelic rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '12'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '92'
                                             'key'  '8B'
                                        'acoustid'  '485b52f8-e4a6-4929-9eac-c748c844dd71'
rest: ''

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

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'TALB' (Album/Movie/Show title)                     ('Rolling Stone: Rare Trax, Volume 33: Nine Miles High: British Psychedelia '
 'From the 60s and 70s')
'TBPM' (BPM (beats per minute))                     '92'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Black Mass'
'TKEY' (Initial key)                                '8B'
'TLEN' (Length)                                     '283720'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Jason Crest'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Rolling Stone'
'TRCK' (Track number/Position in set)               '5/12'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Jason Crest'
'TXXX:Acoustid Id'                                  '485b52f8-e4a6-4929-9eac-c748c844dd71'
'TXXX:Artists'                                      'Jason Crest'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '172e4cb5-963c-4d08-8592-5ead64ff0d6d'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'promotion'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '37ca082c-be25-4d09-a601-899a443bf816'
'TXXX:MusicBrainz Release Group Id'                 'ccc41e01-b38b-36ac-9ff3-faa460a23551'
'TXXX:MusicBrainz Release Track Id'                 '3af3fc00-a273-380c-9db2-e73eb04f4bfd'
'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'                                  ['psychedelic rock', 'rock']
'TXXX:lastfmtags'                                   ['psychedelic rock', '60s', 'psychedelic', 'garage rock', 'garage']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.93 dB'
'TXXX:replaygain_track_peak'                        '0.611221'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8dce57ad-1f4f-424f-aa11-7e5cc04ee325')

========================== row from database ==========================
                                              'id'  1421520
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Rolling Stone - Rare Trax 33/05 Black Mass.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  283
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  6876620
                                           'mtime'  1620737364
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 05 rock cppex psychedelic
                                      'tag_artist'  Jason Crest
                                     'tag_release'  Rolling Stone: Rare Trax, Volume 33: Nine Miles High: British Psychedelia From the 60s and 70s
                                       'tag_title'  Black Mass
                                             'bpm'  92.0
                                    'search_title'  'black':1 'mass':2
                                   'search_artist'  'crest':2 'jason':1
                                  'search_release'  '33':8,9 '60s':18 '70s':20 'and':19 'british':14 'from':16 'high':12,13 'miles':11 'nine':10 'psychedelia':15 'rare':4 'rolling':1 'stone':2,3 'the':17 'trax':5,6 'volume':7
                                     'search_rest'  'cppex':6 'garage':2 'psychedelic':7 'punk':1 'rock':5 'stoner':4 'surf':3
                                    'search_combo'  '33':12C,13C '60s':22C '70s':24C 'and':23C 'black':1A 'british':18C 'cppex':30 'crest':4B 'from':20C 'garage':26 'high':16C,17C 'jason':3B 'mass':2A 'miles':15C 'nine':14C 'psychedelia':19C 'psychedelic':31 'punk':25 'rare':8C 'rock':29 'rolling':5C 'stone':6C,7C 'stoner':28 'surf':27 'the':21C 'trax':9C,10C 'volume':11C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic rock', '60s', 'psychedelic', 'garage rock', 'garage']
                                        'tag_date'  2004
                                     'discogstags'  ['psychedelic rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620737364.3818486  (2021-05-11 14:49:24)
                             'size'  6876620