======================== unified (from filesystem) ========================
                                         'bitrate'  '320.009'
                                        'duration'  '223'
                                          'artist'  'PAPA'
                                     'text_people'  ''
                                         'release'  'Daytrotter Studio Best Songs Of 2012'
                                           'title'  "Ain't It So"
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'birp', 'alternative', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '84.738'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Daytrotter Studio Best Songs Of 2012'
'TBPM' (BPM (beats per minute))                     '84.738'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TIT2' (Title/songname/content description)         "Ain't It So"
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'PAPA'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '03'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97'
'TXXX:DATE'                                         '2012'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tagging time'                                 '2012-05-16T16:55:48'
'TXXX:lastfmtags'                                   ['indie', 'birp', 'alternative', 'electronic']
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.259706'

========================== row from database ==========================
                                              'id'  1508059
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/WALL - 2012/03 - PAPA - Ain_t It So.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  223
                                           'genre'  ifs-songwriter
                                        'filesize'  8976256
                                           'mtime'  1636401392
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos WALL 03 Ain_t ifs songwriter
                                      'tag_artist'  PAPA
                                     'tag_release'  Daytrotter Studio Best Songs Of 2012
                                       'tag_title'  Ain't It So
                                             'bpm'  84.738
                                    'search_title'  'ain':1 'aint':3 'it':4 'so':5 't':2
                                   'search_artist'  'papa':1
                                  'search_release'  '2012':6 'best':3 'daytrotter':1 'of':5 'songs':4 'studio':2
                                     'search_rest'  '00singer':1 'ain':5 'eos':3 'ifs':7 'songwriter':2 't':6 'wall':4
                                    'search_combo'  '00singer':13 '2012':12C 'ain':1A,17 'aint':3A 'best':9C 'daytrotter':7C 'eos':15 'ifs':19 'it':4A 'of':11C 'papa':6B 'so':5A 'songs':10C 'songwriter':14 'studio':8C 't':2A,18 'wall':16
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', '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-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'birp', 'alternative', 'electronic']
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636401391.9034867  (2021-11-08 20:56:31)
                             'size'  8976256