======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '270'
                                          'artist'  'Dez Mona'
                                     'text_people'  ''
                                         'release'  'Moments of Dejection or Despondency'
                                           'title'  'Arid Song'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-2', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['belgium', 'avant garde', 'avantgarde', 'experimental', 'belgian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '121.119'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Moments of Dejection or Despondency'
'TBPM' (BPM (beats per minute))                     '121.119'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Arid Song'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dez Mona'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['belgium', 'avant garde', 'avantgarde', 'experimental', 'belgian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.95 dB'
'TXXX:replaygain_track_peak'                        '0.538304'

========================== row from database ==========================
                                              'id'  1258044
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Dez Mona/Moments of Dejection or Despondency/dez mona - 01.arid song.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  270
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  6485888
                                           'mtime'  1620528442
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country dez mona 01.arid song prerock jb jazz unsorted
                                      'tag_artist'  Dez Mona
                                     'tag_release'  Moments of Dejection or Despondency
                                       'tag_title'  Arid Song
                                             'bpm'  121.119
                                    'search_title'  'arid':1 'song':2
                                   'search_artist'  'dez':1 'mona':2
                                  'search_release'  'dejection':3 'despondency':5 'moments':1 'of':2 'or':4
                                     'search_rest'  '01':7 '01arid':9 'arid':8 'country':4 'dez':5 'exotica':2 'jazz':1 'jb':12 'mona':6 'oldies':3 'prerock':11 'song':10 'unsorted':13
                                    'search_combo'  '01':16 '01arid':18 'arid':1A,17 'country':13 'dejection':7C 'despondency':9C 'dez':3B,14 'exotica':11 'jazz':10 'jb':21 'moments':5C 'mona':4B,15 'of':6C 'oldies':12 'or':8C 'prerock':20 'song':2A,19 'unsorted':22
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['belgium', 'avant garde', 'avantgarde', 'experimental', 'belgian']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528442.0760348  (2021-05-09 04:47:22)
                             'size'  6485888