======================== unified (from filesystem) ========================
                                         'bitrate'  '171.484'
                                        'duration'  '225'
                                          'artist'  'Princess Superstar'
                                     'text_people'  ''
                                         'release'  'My Machine'
                                           'title'  'Push, Make It Work'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['female vocalists', 'electronic', 'hip hop', 'rap']"
                                     'discogstags'  ("['electronic', 'hip hop', 'rock', 'house', 'punk', 'new wave', 'breakbeat', "
 "'electro', 'synth-pop']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '127.846'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'My Machine'
'TBPM' (BPM (beats per minute))                     '127.846'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Push, Make It Work'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Princess Superstar'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic',
 'hip hop',
 'rock',
 'house',
 'punk',
 'new wave',
 'breakbeat',
 'electro',
 'synth-pop']
'TXXX:lastfmtags'                                   ['female vocalists', 'electronic', 'hip hop', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.44 dB'
'TXXX:replaygain_track_peak'                        '0.498950'

========================== row from database ==========================
                                              'id'  719617
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Princess Superstar/my machine/18-princess_superstar-push,_make_it_work.mp3
                                         'working'  None
                                         'bitrate'  171
                                    'duration_sec'  225
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4827930
                                           'mtime'  1620592421
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism my machine 18 princess_superstar push,_make_it_work hip hop rnb rap turntablism
                                      'tag_artist'  Princess Superstar
                                     'tag_release'  My Machine
                                       'tag_title'  Push, Make It Work
                                             'bpm'  127.846
                                    'search_title'  'it':4 'make':3 'push':1,2 'work':5
                                   'search_artist'  'princess':1 'superstar':2
                                  'search_release'  'machine':2 'my':1
                                     'search_rest'  '18':7 'hip':18 'hiphop':1 'hop':19 'it':12,16 'machine':6 'make':11,15 'my':5 'princess':8 'push':10,14 'rap':2 'rnb':3 'superstar':9 'turntablism':4 'work':13,17
                                    'search_combo'  '18':16 'hip':27 'hiphop':10 'hop':28 'it':4A,21,25 'machine':9C,15 'make':3A,20,24 'my':8C,14 'princess':6B,17 'push':1A,2A,19,23 'rap':11 'rnb':12 'superstar':7B,18 'turntablism':13 'work':5A,22,26
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'electronic', 'hip hop', 'rap']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'hip hop', 'rock', 'house', 'punk', 'new wave', 'breakbeat', 'electro', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1620592421.1689463  (2021-05-09 22:33:41)
                             'size'  4827930