======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '278'
                                          'artist'  'Mono/Poly'
                                     'text_people'  ''
                                         'release'  'beat tape'
                                           'title'  'The Beatles Bitch'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronic', 'hip-hop', 'beats', 'experimental', 'underground hip-hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '91.226'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'beat tape'
'TBPM' (BPM (beats per minute))                     '91.226'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'The Beatles Bitch'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mono/Poly'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronic', 'hip-hop', 'beats', 'experimental', 'underground hip-hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.07 dB'
'TXXX:replaygain_track_peak'                        '0.827995'

========================== row from database ==========================
                                              'id'  126797
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/MonoPoly/monopoly - beat tape/Mono Poly - The Beatles Bitch.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  278
                                           'genre'  electronic-unsorted
                                        'filesize'  11142694
                                           'mtime'  1621695581
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm MonoPoly monopoly electronic unsorted
                                      'tag_artist'  Mono/Poly
                                     'tag_release'  beat tape
                                       'tag_title'  The Beatles Bitch
                                             'bpm'  91.226
                                    'search_title'  'beatles':2 'bitch':3 'the':1
                                   'search_artist'  'mono':1 'monopoly':3 'poly':2
                                  'search_release'  'beat':1 'tape':2
                                     'search_rest'  'electronic':2 'mono':4 'monopoly':1 'poly':5 'unsorted':3
                                    'search_combo'  'beat':7C 'beatles':2A 'bitch':3A 'electronic':10 'mono':4B,12 'monopoly':6B,9 'poly':5B,13 'tape':8C 'the':1A 'unsorted':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', '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-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'hip-hop', 'beats', 'experimental', 'underground hip-hop']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695581.189777  (2021-05-22 16:59:41)
                             'size'  11142694