======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '105'
                                          'artist'  'Mono/Poly'
                                     'text_people'  ''
                                         'release'  'beat tape'
                                           'title'  'Boxing Gloves'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', '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'  '95.214'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'beat tape'
'TBPM' (BPM (beats per minute))                     '95.214'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Boxing Gloves'
'TKEY' (Initial key)                                '5B'
'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'                                       '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.14 dB'
'TXXX:replaygain_track_peak'                        '0.605619'

========================== row from database ==========================
                                              'id'  156805
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/MonoPoly/monopoly - beat tape/Mono Poly - Boxing Gloves.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  105
                                           'genre'  electronic-unsorted
                                        'filesize'  4238890
                                           'mtime'  1621695580
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm MonoPoly monopoly electronic unsorted
                                      'tag_artist'  Mono/Poly
                                     'tag_release'  beat tape
                                       'tag_title'  Boxing Gloves
                                             'bpm'  95.214
                                    'search_title'  'boxing':1 'gloves':2
                                   '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':6C 'boxing':1A 'electronic':9 'gloves':2A 'mono':3B,11 'monopoly':5B,8 'poly':4B,12 'tape':7C 'unsorted':10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5B
                                           '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-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'hip-hop', 'beats', 'experimental', 'underground hip-hop']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695579.9774175  (2021-05-22 16:59:39)
                             'size'  4238890