======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '48'
                                          'artist'  'Uncle Bob'
                                     'text_people'  ''
                                         'release'  'Barn Owl / Your Kidney / Antarctic'
                                           'title'  'Sing-A-Long Time'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-UNU-2', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ('[\'progressive house\', \'house\', "grey\'s anatomy", \'electronic\', '
 "'dance']")
                                     'discogstags'  "['progressive house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '12'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '135.3'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'blog.wfmu.org'
'COMM:ID3v1 Comment:eng'                            'blog.wfmu.org'
'TALB' (Album/Movie/Show title)                     'Barn Owl / Your Kidney / Antarctic'
'TBPM' (BPM (beats per minute))                     '135.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Sing-A-Long Time'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'Cassette'
'TPE1' (Lead performer(s)/Soloist(s))               'Uncle Bob'
'TPE2' (Band/orchestra/accompaniment)               'Uncle Bob'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/12'
'TSO2'                                              'Devine, Bob'
'TSOP' (Performer sort order)                       'Devine, Bob'
'TXXX:Artists'                                      'Uncle Bob'
'TXXX:MusicBrainz Album Artist Id'                  '97c253b3-ff30-4fe4-94d5-9afcb6c78e9b'
'TXXX:MusicBrainz Album Id'                         'ebfb6801-59f5-4624-bd95-260db4a4eba0'
'TXXX:MusicBrainz Album Type'                       'album/spokenword'
'TXXX:MusicBrainz Artist Id'                        '97c253b3-ff30-4fe4-94d5-9afcb6c78e9b'
'TXXX:MusicBrainz Release Group Id'                 '8d8b9838-a5e9-419b-99a2-96d5793e5a1c'
'TXXX:MusicBrainz Release Track Id'                 '4157614a-f9b9-41df-9338-4e25f229ead7'
'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'                                  ['progressive house', 'electronic']
'TXXX:lastfmtags'                                   ['progressive house', 'house', "grey's anatomy", 'electronic', 'dance']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.27 dB'
'TXXX:replaygain_track_peak'                        '0.400178'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4e28611a-493f-4a61-abf2-5b2231720206')

========================== row from database ==========================
                                              'id'  660217
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/10/301_03_Uncle_Bobs_Storybook_Room_-_Sing-A-Long_Time.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  48
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  1205242
                                           'mtime'  1621695773
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 10 301_03_Uncle_Bobs_Storybook_Room_ _Sing Long_Time electronic experimental oddness
                                      'tag_artist'  Uncle Bob
                                     'tag_release'  Barn Owl / Your Kidney / Antarctic
                                       'tag_title'  Sing-A-Long Time
                                             'bpm'  135.3
                                    'search_title'  'a':2 'long':3 'sing':1 'singalong':4 'time':5
                                   'search_artist'  'bob':2 'uncle':1
                                  'search_release'  'antarctic':5 'barn':1 'kidney':4 'owl':2 'your':3
                                     'search_rest'  '03':2 '301':1 'bobs':4 'electronic':10 'experimental':11 'long':8 'oddness':12 'room':6 'sing':7 'storybook':5 'time':9 'uncle':3
                                    'search_combo'  '03':14 '301':13 'a':2A 'antarctic':12C 'barn':8C 'bob':7B 'bobs':16 'electronic':22 'experimental':23 'kidney':11C 'long':3A,20 'oddness':24 'owl':9C 'room':18 'sing':1A,19 'singalong':4A 'storybook':17 'time':5A,21 'uncle':6B,15 'your':10C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['progressive house', 'house', "grey's anatomy", 'electronic', 'dance']
                                        'tag_date'  2005
                                     'discogstags'  ['progressive house', 'electronic']

============================== file details ==============================
                                           'mtime'  1621695772.6794388  (2021-05-22 17:02:52)
                             'size'  1205242