======================== unified (from filesystem) ========================
                                         'bitrate'  '204.0'
                                        'duration'  '314'
                                          'artist'  'Imogen Heap'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Walk'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['indie', 'electronic', 'alternative', 'female vocalists', 'singer "
 "songwriter']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '95.348'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '95.348'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TIT2' (Title/songname/content description)         'The Walk'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Imogen Heap'
'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:lastfmtags'                                   ['indie', 'electronic', 'alternative', 'female vocalists', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.44 dB'
'TXXX:replaygain_track_peak'                        '0.457637'

========================== row from database ==========================
                                              'id'  1299303
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/08-imogen_heap-the_walk(2).mp3
                                         'working'  None
                                         'bitrate'  204
                                    'duration_sec'  314
                                           'genre'  ifs-songwriter
                                        'filesize'  8013833
                                           'mtime'  1637330767
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 08 imogen_heap the_walk(2) ifs songwriter
                                      'tag_artist'  Imogen Heap
                                     'tag_release'  None
                                       'tag_title'  The Walk
                                             'bpm'  95.348
                                    'search_title'  'the':1 'walk':2
                                   'search_artist'  'heap':2 'imogen':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '2':11 'files':5,6 'heap':8 'ifs':14 'imogen':7 'loose':3,4 'songwriter':15 'the':9,12 'unsorted':2 'walk':10 'walk2':13
                                    'search_combo'  '00poprockelectronic':5 '2':15 'files':9,10 'heap':4B,12 'ifs':18 'imogen':3B,11 'loose':7,8 'songwriter':19 'the':1A,13,16 'unsorted':6 'walk':2A,14 'walk2':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'electronic', 'alternative', 'female vocalists', 'singer songwriter']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330767.4297683  (2021-11-19 15:06:07)
                             'size'  8013833