======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '123'
                                          'artist'  'Johnnie Ray & Doris Day'
                                     'text_people'  'Original UK Single: Philips PB 157'
                                         'release'  ''
                                           'title'  'Candy Lips'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '027b'
                                      'tracktotal'  ''
                                            'date'  '1953'
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '115.589'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:Amadeus II 3.5:pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA'  PRIV(owner='Amadeus II 3.5', data=b'pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA')
'PRIV:AverageLevel:{\x04\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x04\x00\x00')
'PRIV:PeakValue:!\x00\x00\x00'                      PRIV(owner='PeakValue', data=b'!\x00\x00\x00')
'TBPM' (BPM (beats per minute))                     '115.589'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TDRC' (Recording time)                             '1953'
'TIT2' (Title/songname/content description)         'Candy Lips'
'TKEY' (Initial key)                                '8A'
'TOPE' (Original artist(s)/performer(s))            'Original UK Single: Philips PB 157'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnnie Ray & Doris Day'
'TRCK' (Track number/Position in set)               '027b'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'oldies'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.490580'

========================== row from database ==========================
                                              'id'  735882
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Doris Day & Johnnie Ray - Candy Lips (Col., 1953).mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  123
                                           'genre'  set-th-candy
                                        'filesize'  1482090
                                           'mtime'  1620343112
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets (Col., 1953) set th candy
                                      'tag_artist'  Johnnie Ray & Doris Day
                                     'tag_release'  None
                                       'tag_title'  Candy Lips
                                             'bpm'  115.589
                                    'search_title'  'candy':1 'lips':2
                                   'search_artist'  'day':4 'doris':3 'johnnie':1 'ray':2
                                  'search_release'  
                                     'search_rest'  '1953':8,9 'candy':12 'col':6,7 'country':4 'exotica':2 'jazz':1 'oldies':3 'set':10 'sweets':5 'th':11
                                    'search_combo'  '1953':14,15 'candy':1A,18 'col':12,13 'country':10 'day':6B 'doris':5B 'exotica':8 'jazz':7 'johnnie':3B 'lips':2A 'oldies':9 'ray':4B 'set':16 'sweets':11 'th':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['oldies']
                                        'tag_date'  1953
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343111.8474896  (2021-05-07 01:18:31)
                             'size'  1482090