======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '271'
                                          'artist'  'Rasputina'
                                     'text_people'  ''
                                         'release'  'A Radical Recital'
                                           'title'  'Rock & Roll'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['cello rock', 'alternative', 'cabaret', 'gothic', 'cello']"
                                     'discogstags'  "['rock', 'alternative rock', 'goth rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '101.768'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'A Radical Recital'
'TBPM' (BPM (beats per minute))                     '101.768'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Rock & Roll'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rasputina'
'TRCK' (Track number/Position in set)               '17'
'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', 'alternative rock', 'goth rock']
'TXXX:lastfmtags'                                   ['cello rock', 'alternative', 'cabaret', 'gothic', 'cello']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.05 dB'
'TXXX:replaygain_track_peak'                        '0.372241'

========================== row from database ==========================
                                              'id'  1455950
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Rasputina/A Radical Recital/17 - Rock & Roll.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  271
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  5443404
                                           'mtime'  1621695879
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos 17 ifs songwriter eos
                                      'tag_artist'  Rasputina
                                     'tag_release'  A Radical Recital
                                       'tag_title'  Rock & Roll
                                             'bpm'  101.768
                                    'search_title'  'rock':1 'roll':2
                                   'search_artist'  'rasputina':1
                                  'search_release'  'a':1 'radical':2 'recital':3
                                     'search_rest'  '00singer':1 '00songwriter':4 'eos':3 'ifs':5 'songwriter':2
                                    'search_combo'  '00singer':7 '00songwriter':10 'a':4C 'eos':9 'ifs':11 'radical':5C 'rasputina':3B 'recital':6C 'rock':1A 'roll':2A 'songwriter':8
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['cello rock', 'alternative', 'cabaret', 'gothic', 'cello']
                                        'tag_date'  2005
                                     'discogstags'  ['rock', 'alternative rock', 'goth rock']

============================== file details ==============================
                                           'mtime'  1621695878.9296618  (2021-05-22 17:04:38)
                             'size'  5443404