======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '322'
                                          'artist'  'Yawning Man'
                                     'text_people'  ''
                                         'release'  'Rock Formations'
                                           'title'  'Perpetual Oyster'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'stoner rock', 'space rock', 'desert rock', 'psychedelic']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '10'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic;set-pl-progspace'
                                             'bpm'  '99'
                                             'key'  '11B'
                                        'acoustid'  '8f995537-16da-4369-ae0a-b71928e30055'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         (' 00000736 00000A01 0000148C 00001CEC 0003D0BE 0000755E 00007B23 00007955 '
 '000222F7 00030D6E')
'TALB' (Album/Movie/Show title)                     'Rock Formations'
'TBPM' (BPM (beats per minute))                     '99'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic', 'set-pl-progspace']
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Perpetual Oyster'
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Yawning Man'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Alone Records'
'TRCK' (Track number/Position in set)               '2/10'
'TSO2'                                              'Yawning Man'
'TSOP' (Performer sort order)                       'Yawning Man'
'TXXX:Acoustid Id'                                  '8f995537-16da-4369-ae0a-b71928e30055'
'TXXX:Artists'                                      'Yawning Man'
'TXXX:CATALOGNUMBER'                                'AR - 010 - CDU'
'TXXX:CT_GAPLESS_DATA'                              '0'
'TXXX:MusicBrainz Album Artist Id'                  '075ded80-c694-4157-9a97-4d42ca8b9e8e'
'TXXX:MusicBrainz Album Id'                         'c9d95975-2c34-4198-82d5-0fddd426775f'
'TXXX:MusicBrainz Album Release Country'            'ES'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '075ded80-c694-4157-9a97-4d42ca8b9e8e'
'TXXX:MusicBrainz Release Group Id'                 '322bce85-aa9c-3987-a9cc-37cae3353ad8'
'TXXX:MusicBrainz Release Track Id'                 'b5f23602-b802-4936-adf5-cde25982b603'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['instrumental', 'stoner rock', 'space rock', 'desert rock', 'psychedelic']
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.46 dB'
'TXXX:replaygain_track_peak'                        '0.515039'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3d975017-7249-454b-be75-ba8c43a8228a')

========================== row from database ==========================
                                              'id'  1410995
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Yawning Man  Rock Formations/Rock Formations/Perpetual Oyster.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  322
                                           'genre'  rock-cppex-psychedelic;set-pl-progspace
                                        'filesize'  5224556
                                           'mtime'  1620737269
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy rock cppex psychedelic;set pl progspace
                                      'tag_artist'  Yawning Man
                                     'tag_release'  Rock Formations
                                       'tag_title'  Perpetual Oyster
                                             'bpm'  99.0
                                    'search_title'  'oyster':2 'perpetual':1
                                   'search_artist'  'man':2 'yawning':1
                                  'search_release'  'formations':2 'rock':1
                                     'search_rest'  'classicprogpsy':1 'cppex':3 'pl':8 'progspace':9 'psychedelic':4,6 'rock':2 'set':5,7
                                    'search_combo'  'classicprogpsy':7 'cppex':9 'formations':6C 'man':4B 'oyster':2A 'perpetual':1A 'pl':14 'progspace':15 'psychedelic':10,12 'rock':5C,8 'set':11,13 'yawning':3B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'stoner rock', 'space rock', 'desert rock', 'psychedelic']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737269.4923456  (2021-05-11 14:47:49)
                             'size'  5224556