======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '253'
                                          'artist'  'Lazlo Bane'
                                     'text_people'  'The Eagles'
                                         'release'  'Guilty Pleasures'
                                           'title'  "I Can't Tell You Why"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', '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-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'indie', 'soundtrack', 'scrubs', 'rock', 'alternative']"
                                     'discogstags'  "['alternative rock', 'pop rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '20'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'set-cover or covered-styled;set-cover or covered'
                                             'bpm'  '85.1'
                                             'key'  '10A'
                                        'acoustid'  '550c42b1-18c2-4ee2-85ac-be0c1cc9000e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Guilty Pleasures'
'TBPM' (BPM (beats per minute))                     '85.1'
'TCOM' (Composer)                                   'The Eagles'
'TCON' (Content type, a.k.a. Genre)                 ['set-cover or covered-styled', 'set-cover or covered']
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007-07-11'
'TIT2' (Title/songname/content description)         "I Can't Tell You Why"
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Lazlo Bane'
'TPE2' (Band/orchestra/accompaniment)               'Lazlo Bane'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10/20'
'TSO2'                                              'Lazlo Bane'
'TSOP' (Performer sort order)                       'Lazlo Bane'
'TXXX:ASIN'                                         'B00104K1K4'
'TXXX:Acoustid Id'                                  '550c42b1-18c2-4ee2-85ac-be0c1cc9000e'
'TXXX:MusicBrainz Album Artist Id'                  '63f38f77-9aae-4e1b-8947-aca325b7759f'
'TXXX:MusicBrainz Album Id'                         '61dc89b2-3060-4725-ad97-d6045289e6ed'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '63f38f77-9aae-4e1b-8947-aca325b7759f'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['alternative rock', 'pop rock', 'rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'indie', 'soundtrack', 'scrubs', 'rock', 'alternative']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.67 dB'
'TXXX:replaygain_track_peak'                        '0.440224'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4f1abda0-c4b5-4df3-9cdf-f84f23336f72')

========================== row from database ==========================
                                              'id'  1517813
                                            'path'  /data/Music/Bulk/00spent/Lazlo Bane - Guilty Pleasures 2007/10 - I Can_t Tell You Why.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  253
                                           'genre'  set-cover or covered-styled;set-cover or covered
                                        'filesize'  8589698
                                           'mtime'  1620350648
                                   'redo_metaread'  0
                                        'rest_str'   00spent 2007 10 Can_t set cover or covered styled;set cover or covered
                                      'tag_artist'  Lazlo Bane
                                     'tag_release'  Guilty Pleasures
                                       'tag_title'  I Can't Tell You Why
                                             'bpm'  85.1
                                    'search_title'  'can':2 'cant':4 'i':1 't':3 'tell':5 'why':7 'you':6
                                   'search_artist'  'bane':2 'lazlo':1
                                  'search_release'  'guilty':1 'pleasures':2
                                     'search_rest'  '00spent':1 '2007':2 'can':3 'cover':6 'covered':8 'or':7 'set':5,10,12 'styled':9,11 't':4
                                    'search_combo'  '00spent':12 '2007':13 'bane':9B 'can':2A,14 'cant':4A 'cover':17 'covered':19 'guilty':10C 'i':1A 'lazlo':8B 'or':18 'pleasures':11C 'set':16,21,23 'styled':20,22 't':3A,15 'tell':5A 'why':7A 'you':6A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'indie', 'soundtrack', 'scrubs', 'rock', 'alternative']
                                        'tag_date'  2007
                                     'discogstags'  ['alternative rock', 'pop rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620350648.3517365  (2021-05-07 03:24:08)
                             'size'  8589698