======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '113'
                                          'artist'  'Druids'
                                     'text_people'  ''
                                         'release'  'Mondo Frat Dance Bash A Go Go'
                                           'title'  'Jelly Belly'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['sludge', 'stoner doom', 'experimental']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '126.174'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\x11\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x11\x00\x00')
'PRIV:PeakValue:¡n\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1n\x00\x00')
'TALB' (Album/Movie/Show title)                     'Mondo Frat Dance Bash A Go Go'
'TBPM' (BPM (beats per minute))                     '126.174'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TIT2' (Title/songname/content description)         'Jelly Belly'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Druids'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['sludge', 'stoner doom', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.98 dB'
'TXXX:replaygain_track_peak'                        '0.513514'

========================== row from database ==========================
                                              'id'  735754
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/The Druids - Jelly Belly.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  113
                                           'genre'  set-th-candy
                                        'filesize'  1816448
                                           'mtime'  1620343128
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets The set th candy
                                      'tag_artist'  Druids
                                     'tag_release'  Mondo Frat Dance Bash A Go Go
                                       'tag_title'  Jelly Belly
                                             'bpm'  126.174
                                    'search_title'  'belly':2 'jelly':1
                                   'search_artist'  'druids':1
                                  'search_release'  'a':5 'bash':4 'dance':3 'frat':2 'go':6 'mondo':1
                                     'search_rest'  'candy':9 'country':4 'exotica':2 'jazz':1 'oldies':3 'set':7 'sweets':5 'th':8 'the':6
                                    'search_combo'  'a':8C 'bash':7C 'belly':2A 'candy':18 'country':13 'dance':6C 'druids':3B 'exotica':11 'frat':5C 'go':9C 'jazz':10 'jelly':1A 'mondo':4C 'oldies':12 'set':16 'sweets':14 'th':17 'the':15
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['sludge', 'stoner doom', 'experimental']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620343128.386944  (2021-05-07 01:18:48)
                             'size'  1816448