======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '243'
                                          'artist'  'The Sea And Cake'
                                     'text_people'  ''
                                         'release'  'The Biz'
                                           'title'  'The Biz'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-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-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'indie pop', 'post rock', 'indie rock', 'electronic']"
                                     'discogstags'  "['rock', 'post rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2019'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '122.437'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Biz'
'TBPM' (BPM (beats per minute))                     '122.437'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2019'
'TIT2' (Title/songname/content description)         'The Biz'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Sea And Cake'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'post rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'post rock', 'indie rock', 'electronic']
'TXXX:original release date'                        ['1995', '2019']
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.70 dB'
'TXXX:replaygain_track_peak'                        '0.860613'

========================== row from database ==========================
                                              'id'  1420903
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Sea And Cake/The Sea and Cake__The Sea and Cake - The Biz__The Sea and Cake - The Biz__cifs3830.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  243
                                           'genre'  rock-unsorted
                                        'filesize'  4876114
                                           'mtime'  1620389010
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock and Cake__The and Biz__The and Biz__cifs3830 rock unsorted
                                      'tag_artist'  The Sea And Cake
                                     'tag_release'  The Biz
                                       'tag_title'  The Biz
                                             'bpm'  122.437
                                    'search_title'  'biz':2 'the':1
                                   'search_artist'  'and':3 'cake':4 'sea':2 'the':1
                                  'search_release'  'biz':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 'and':4 'biz':7,9 'cake':5 'cifs3830':10 'indierock':3 'poprock':2 'rock':11 'the':6,8 'unsorted':12
                                    'search_combo'  '00poprockelectronic':9 'and':5B,12 'biz':2A,8C,15,17 'cake':6B,13 'cifs3830':18 'indierock':11 'poprock':10 'rock':19 'sea':4B 'the':1A,3B,7C,14,16 'unsorted':20
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', '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'  ['indie', 'indie pop', 'post rock', 'indie rock', 'electronic']
                                        'tag_date'  2019
                                     'discogstags'  ['rock', 'post rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1620389010.054793  (2021-05-07 14:03:30)
                             'size'  4876114