======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '191'
                                          'artist'  'Regina Spektor'
                                     'text_people'  ''
                                         'release'  'Far'
                                           'title'  'Man of a Thousand Faces'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-PLAY-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-4']")
                                      'lastfmtags'  "['indie', 'piano', 'female vocalists', 'alternative', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk, world, & country', 'folk rock', 'indie rock', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '84.070'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Far'
'TBPM' (BPM (beats per minute))                     '84.070'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Man of a Thousand Faces'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Regina Spektor'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'folk, world, & country', 'folk rock', 'indie rock', 'folk']
'TXXX:lastfmtags'                                   ['indie', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.15 dB'
'TXXX:replaygain_track_peak'                        '0.522868'

========================== row from database ==========================
                                              'id'  1378798
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Regina Spektor/13 Man of a Thousand Faces.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  191
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  7673856
                                           'mtime'  1628354073
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos 13 ifs songwriter eos
                                      'tag_artist'  Regina Spektor
                                     'tag_release'  Far
                                       'tag_title'  Man of a Thousand Faces
                                             'bpm'  84.07
                                    'search_title'  'a':3 'faces':5 'man':1 'of':2 'thousand':4
                                   'search_artist'  'regina':1 'spektor':2
                                  'search_release'  'far':1
                                     'search_rest'  '00singer':1 '00songwriter':4 'eos':3 'ifs':5 'songwriter':2
                                    'search_combo'  '00singer':9 '00songwriter':12 'a':3A 'eos':11 'faces':5A 'far':8C 'ifs':13 'man':1A 'of':2A 'regina':6B 'songwriter':10 'spektor':7B 'thousand':4A
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
                                        'tag_date'  2009
                                     'discogstags'  ['rock', 'folk, world, & country', 'folk rock', 'indie rock', 'folk']

============================== file details ==============================
                                           'mtime'  1628354072.7034428  (2021-08-07 18:34:32)
                             'size'  7673856