======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '272'
                                          'artist'  'Jewel'
                                     'text_people'  ''
                                         'release'  'Pieces of you'
                                           'title'  'Amen'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
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                                      'lastfmtags'  "['rock', 'female vocalists', 'folk', 'pop', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '140.335'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pieces of you'
'TBPM' (BPM (beats per minute))                     '140.335'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Amen'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jewel'
'TRCK' (Track number/Position in set)               '4'
'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'                                   ['rock', 'female vocalists', 'folk', 'pop', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.40 dB'
'TXXX:replaygain_track_peak'                        '0.667234'

========================== row from database ==========================
                                              'id'  1358415
                                            'path'  /data/Music/Bulk/00poprockelectronic/Jewel/[1995] Pieces of You/Jewel - Amen - 14.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  272
                                           'genre'  ifs-songwriter
                                        'filesize'  8722495
                                           'mtime'  1637330726
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [1995] You 14 ifs songwriter
                                      'tag_artist'  Jewel
                                     'tag_release'  Pieces of you
                                       'tag_title'  Amen
                                             'bpm'  140.335
                                    'search_title'  'amen':1
                                   'search_artist'  'jewel':1
                                  'search_release'  'of':2 'pieces':1 'you':3
                                     'search_rest'  '00poprockelectronic':1 '1995':2,3 'ifs':5 'songwriter':6 'you':4
                                    'search_combo'  '00poprockelectronic':6 '1995':7,8 'amen':1A 'ifs':10 'jewel':2B 'of':4C 'pieces':3C 'songwriter':11 'you':5C,9
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'female vocalists', 'folk', 'pop', 'singer songwriter']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330726.159364  (2021-11-19 15:05:26)
                             'size'  8722495