======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '224'
                                          'artist'  'One Without'
                                     'text_people'  ''
                                         'release'  'Sweet Relief'
                                           'title'  'Pretender'
                                           'quals'  ("['Q-HAP-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-3', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  ("['gothic metal', 'female fronted metal', 'metal', 'swedish', 'female "
 "vocalists']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '141.809'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sweet Relief'
'TBPM' (BPM (beats per minute))                     '141.809'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Pretender'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'One Without'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['gothic metal', 'female fronted metal', 'metal', 'swedish', 'female vocalists']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.48 dB'
'TXXX:replaygain_track_peak'                        '0.470976'

========================== row from database ==========================
                                              'id'  141352
                                            'path'  /data/Music/Bulk/00dwimp/Unsorted/Pretender.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  224
                                           'genre'  eid-unsorted
                                        'filesize'  3596895
                                           'mtime'  1620521099
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Unsorted eid unsorted
                                      'tag_artist'  One Without
                                     'tag_release'  Sweet Relief
                                       'tag_title'  Pretender
                                             'bpm'  141.809
                                    'search_title'  'pretender':1
                                   'search_artist'  'one':1 'without':2
                                  'search_release'  'relief':2 'sweet':1
                                     'search_rest'  '00dwimp':1 'eid':3 'unsorted':2
                                    'search_combo'  '00dwimp':6 'eid':8 'one':2B 'pretender':1A 'relief':5C 'sweet':4C 'unsorted':7 'without':3B
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', '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-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['gothic metal', 'female fronted metal', 'metal', 'swedish', 'female vocalists']
                                        'tag_date'  2011
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620521099.4759815  (2021-05-09 02:44:59)
                             'size'  3596895