======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '314'
                                          'artist'  'Belle & Sebastian'
                                     'text_people'  ''
                                         'release'  'The Boy With The Arab Strap'
                                           'title'  'Boy With The Arab Strap'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-vocals-2', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'pop', 'scottish']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '141.909'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Boy With The Arab Strap'
'TBPM' (BPM (beats per minute))                     '141.909'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Boy With The Arab Strap'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Belle and Sebastian'
'TPE2' (Band/orchestra/accompaniment)               'Belle & Sebastian'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'pop', 'scottish']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.79 dB'
'TXXX:replaygain_track_peak'                        '0.556753'

========================== row from database ==========================
                                              'id'  1247702
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Belle and Sebastian - Belle & Sebastian/The Boy With The Arab Strap/Belle & Sebastian-The Boy With The Arab Strap-09-Boy With The Arab Strap.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  314
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  7543775
                                           'mtime'  1636917131
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos and 09 ifs songwriter indie unsorted
                                      'tag_artist'  Belle & Sebastian
                                     'tag_release'  The Boy With The Arab Strap
                                       'tag_title'  Boy With The Arab Strap
                                             'bpm'  141.909
                                    'search_title'  'arab':4 'boy':1 'strap':5 'the':3 'with':2
                                   'search_artist'  'belle':1 'sebastian':2
                                  'search_release'  'arab':4 'boy':2 'strap':5 'the':1 'with':3
                                     'search_rest'  '00singer':1 'and':4 'eos':3 'ifs':5 'indie':6 'songwriter':2 'unsorted':7
                                    'search_combo'  '00singer':13 'and':16 'arab':4A,11C 'belle':6B 'boy':1A,9C 'eos':15 'ifs':17 'indie':18 'sebastian':7B 'songwriter':14 'strap':5A,12C 'the':3A,8C 'unsorted':19 'with':2A,10C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'pop', 'scottish']
                                        'tag_date'  1998
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636917131.19059  (2021-11-14 20:12:11)
                             'size'  7543775