======================== unified (from filesystem) ========================
                                         'bitrate'  '193.704'
                                        'duration'  '195'
                                          'artist'  'Brandi Carlile'
                                     'text_people'  ''
                                         'release'  'The Story'
                                           'title'  'Shadow on the Wall'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alt country', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk, world, & country', 'folk rock', 'soft rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-folk'
                                             'bpm'  '142.608'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Story'
'TBPM' (BPM (beats per minute))                     '142.608'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-folk']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Shadow on the Wall'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Brandi Carlile'
'TRCK' (Track number/Position in set)               '12'
'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:discogstags'                                  ['rock', 'folk, world, & country', 'folk rock', 'soft rock', 'pop rock']
'TXXX:lastfmtags'                                   ['indie', 'alt country', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.33 dB'
'TXXX:replaygain_track_peak'                        '0.495467'

========================== row from database ==========================
                                              'id'  1307745
                                            'path'  /data/Music/Bulk/00poprockelectronic/Brandi Carlile/Brandi Carlile - The Story/12 - Brandi Carlile - Shadow On The Wall.mp3
                                         'working'  None
                                         'bitrate'  193
                                    'duration_sec'  195
                                           'genre'  ifs-songwriter;ifs-songwriter-folk
                                        'filesize'  4736896
                                           'mtime'  1637330512
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 12 On ifs songwriter;ifs songwriter folk
                                      'tag_artist'  Brandi Carlile
                                     'tag_release'  The Story
                                       'tag_title'  Shadow on the Wall
                                             'bpm'  142.608
                                    'search_title'  'on':2 'shadow':1 'the':3 'wall':4
                                   'search_artist'  'brandi':1 'carlile':2
                                  'search_release'  'story':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 'folk':9 'ifs':3,5,7 'on':2 'songwriter':4,6,8
                                    'search_combo'  '00poprockelectronic':9 'brandi':5B 'carlile':6B 'folk':17 'ifs':11,13,15 'on':2A,10 'shadow':1A 'songwriter':12,14,16 'story':8C 'the':3A,7C 'wall':4A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  2A
                                           '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-3', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alt country', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  2007
                                     'discogstags'  ['rock', 'folk, world, & country', 'folk rock', 'soft rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1637330512.1149664  (2021-11-19 15:01:52)
                             'size'  4736896