======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '394'
                                          'artist'  'Ozric Tentacles'
                                     'text_people'  ''
                                         'release'  'Tantric Obstacles'
                                           'title'  'Sniffing Dog'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-4', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['instrumental', 'psychedelic rock', 'space rock', 'progressive rock', "
 "'psychedelic']")
                                     'discogstags'  "['electronic', 'rock', 'dub', 'space rock', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '15'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic-space;set-pl-progspace'
                                             'bpm'  '109.2'
                                             'key'  '6B'
                                        'acoustid'  '9dc44b84-3c6b-46ca-aedc-c5f1781ef9f1'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tantric Obstacles'
'TBPM' (BPM (beats per minute))                     '109.2'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic-space', 'set-pl-progspace']
'TDOR' (Original release time)                      '1985'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Sniffing Dog'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ozric Tentacles'
'TPE2' (Band/orchestra/accompaniment)               'Ozric Tentacles'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Digitally Remastered'
'TRCK' (Track number/Position in set)               '3/15'
'TSO2'                                              'Ozric Tentacles'
'TSOP' (Performer sort order)                       'Ozric Tentacles'
'TXXX:Acoustid Id'                                  '9dc44b84-3c6b-46ca-aedc-c5f1781ef9f1'
'TXXX:Artists'                                      'Ozric Tentacles'
'TXXX:CATALOGNUMBER'                                'TCCD 02010203'
'TXXX:MusicBrainz Album Artist Id'                  '5629ca87-9086-48c4-8dc4-b4a966c45067'
'TXXX:MusicBrainz Album Id'                         '2954c600-344a-4ca5-ad81-6eca7484941f'
'TXXX:MusicBrainz Album Release Country'            'RU'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5629ca87-9086-48c4-8dc4-b4a966c45067'
'TXXX:MusicBrainz Release Group Id'                 '2c608dd8-228b-3df9-9f24-3e81694b987a'
'TXXX:MusicBrainz Release Track Id'                 'a1cd05e6-9d68-4f61-9454-333be6445413'
'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'                                  ['electronic', 'rock', 'dub', 'space rock', 'experimental', 'ambient']
'TXXX:lastfmtags'                                   ['instrumental',
 'psychedelic rock',
 'space rock',
 'progressive rock',
 'psychedelic']
'TXXX:originalyear'                                 '1985'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.42 dB'
'TXXX:replaygain_track_peak'                        '0.567116'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'191c2454-f080-4678-b22c-614024295b3a')

========================== row from database ==========================
                                              'id'  245066
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0psy/Ozric tentacles/Ozric Tentacles - Tantric Obstacles - 03-15 - Sniffing Dog.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  394
                                           'genre'  rock-cppex-psychedelic-space;set-pl-progspace
                                        'filesize'  15893345
                                           'mtime'  1620736018
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0psy tentacles 03 15 rock cppex psychedelic space;set pl progspace
                                      'tag_artist'  Ozric Tentacles
                                     'tag_release'  Tantric Obstacles
                                       'tag_title'  Sniffing Dog
                                             'bpm'  109.2
                                    'search_title'  'dog':2 'sniffing':1
                                   'search_artist'  'ozric':1 'tentacles':2
                                  'search_release'  'obstacles':2 'tantric':1
                                     'search_rest'  '0psy':1 'cppex':4 'pl':10 'progspace':11 'psychedelic':5 'rock':3 'set':7,9 'space':6,8 'tentacles':2
                                    'search_combo'  '0psy':7 'cppex':10 'dog':2A 'obstacles':6C 'ozric':3B 'pl':16 'progspace':17 'psychedelic':11 'rock':9 'set':13,15 'sniffing':1A 'space':12,14 'tantric':5C 'tentacles':4B,8
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-4', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['instrumental', 'psychedelic rock', 'space rock', 'progressive rock', 'psychedelic']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic', 'rock', 'dub', 'space rock', 'experimental', 'ambient']

============================== file details ==============================
                                           'mtime'  1620736018.1092877  (2021-05-11 14:26:58)
                             'size'  15893345