======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '262'
                                          'artist'  'Joe Public'
                                     'text_people'  ''
                                         'release'  "90's Pop Hits"
                                           'title'  'Live And Learn'
                                           'quals'  ("['Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['90s', 'rnb', 'hip hop', 'new jack swing', 'urban']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-billboard'
                                             'bpm'  '106.812'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "90's Pop Hits"
'TBPM' (BPM (beats per minute))                     '106.812'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Live And Learn'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Joe Public'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['90s', 'rnb', 'hip hop', 'new jack swing', 'urban']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.01 dB'
'TXXX:replaygain_track_peak'                        '0.595781'

========================== row from database ==========================
                                              'id'  1306316
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/12. Joe Public - Live And Learn.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  262
                                           'genre'  electronic-generic or radio-unsorted;set-pl-billboard
                                        'filesize'  4268240
                                           'mtime'  1620384840
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 12. electronic generic or radio unsorted;set pl billboard
                                      'tag_artist'  Joe Public
                                     'tag_release'  90's Pop Hits
                                       'tag_title'  Live And Learn
                                             'bpm'  106.812
                                    'search_title'  'and':2 'learn':3 'live':1
                                   'search_artist'  'joe':1 'public':2
                                  'search_release'  '90':1 '90s':3 'hits':5 'pop':4 's':2
                                     'search_rest'  '00poprockelectronic':1 '12':3,4 '90s':2 'billboard':14 'electronic':5 'generic':6 'or':7 'pl':13 'radio':8 'set':10,12 'unsorted':9,11
                                    'search_combo'  '00poprockelectronic':11 '12':13,14 '90':6C '90s':8C,12 'and':2A 'billboard':24 'electronic':15 'generic':16 'hits':10C 'joe':4B 'learn':3A 'live':1A 'or':17 'pl':23 'pop':9C 'public':5B 'radio':18 's':7C 'set':20,22 'unsorted':19,21
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'rnb', 'hip hop', 'new jack swing', 'urban']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384840.4852965  (2021-05-07 12:54:00)
                             'size'  4268240