======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '120'
                                          'artist'  'Space Negros'
                                     'text_people'  ''
                                         'release'  'Homework #1½'
                                           'title'  '1984'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  ("['arf arf records', 'fruits of the underground', 'everything', 'beatnik', "
 "'spanner']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '23'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '119.5'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Homework #1½'
'TBPM' (BPM (beats per minute))                     '119.5'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         '1984'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Space Negros'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '23'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['arf arf records',
 'fruits of the underground',
 'everything',
 'beatnik',
 'spanner']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.87 dB'
'TXXX:replaygain_track_peak'                        '0.734084'

========================== row from database ==========================
                                              'id'  717265
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - homework #1½ us experimental & artpunk 45s/23 - space negros - 1984.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  120
                                           'genre'  rock-gr-punk
                                        'filesize'  1929088
                                           'mtime'  1622658906
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va homework us experimental & artpunk 45s 23 space negros rock punk
                                      'tag_artist'  Space Negros
                                     'tag_release'  Homework #1½
                                       'tag_title'  1984
                                             'bpm'  119.5
                                    'search_title'  '1984':1
                                   'search_artist'  'negros':2 'space':1
                                  'search_release'  '1':2,3 '11':4,6 '2':5,7 'homework':1
                                     'search_rest'  '23':7 '45s':6 'artpunk':5 'experimental':4 'homework':2 'negros':9 'punk':11 'rock':10 'space':8 'us':3 'va':1
                                    'search_combo'  '1':5C,6C '11':7C,9C '1984':1A '2':8C,10C '23':17 '45s':16 'artpunk':15 'experimental':14 'homework':4C,12 'negros':3B,19 'punk':21 'rock':20 'space':2B,18 'us':13 'va':11
                                    'tag_tracknum'  23
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['arf arf records', 'fruits of the underground', 'everything', 'beatnik', 'spanner']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622658905.55917  (2021-06-02 20:35:05)
                             'size'  1929088