======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '167'
                                          'artist'  'Rod Morris'
                                     'text_people'  ''
                                         'release'  'Capitol 2669'
                                           'title'  'Bimbo'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-4', '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'  '[\'rockabilly\', \'country\', \'oldies\', \'hillbilly\', "50\'s"]'
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1953'
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '98.310'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'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')
'TALB' (Album/Movie/Show title)                     'Capitol 2669'
'TBPM' (BPM (beats per minute))                     '98.310'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TDRC' (Recording time)                             '1953'
'TIT2' (Title/songname/content description)         'Bimbo'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rod Morris'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rockabilly', 'country', 'oldies', 'hillbilly', "50's"]
'TXXX:q-bass'                                       '4'
'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'                        '+2.50 dB'
'TXXX:replaygain_track_peak'                        '0.519864'

========================== row from database ==========================
                                              'id'  735917
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Rod Morris - Bimbo (Ludwig 11; wr. Rod Morris).mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  167
                                           'genre'  set-th-candy
                                        'filesize'  1340567
                                           'mtime'  1620343122
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets (Ludwig 11; wr. Morris) set th candy
                                      'tag_artist'  Rod Morris
                                     'tag_release'  Capitol 2669
                                       'tag_title'  Bimbo
                                             'bpm'  98.31
                                    'search_title'  'bimbo':1
                                   'search_artist'  'morris':2 'rod':1
                                  'search_release'  '2669':2 'capitol':1
                                     'search_rest'  '11':8,9 'candy':16 'country':4 'exotica':2 'jazz':1 'ludwig':6,7 'morris':12,13 'oldies':3 'set':14 'sweets':5 'th':15 'wr':10,11
                                    'search_combo'  '11':13,14 '2669':5C 'bimbo':1A 'candy':21 'capitol':4C 'country':9 'exotica':7 'jazz':6 'ludwig':11,12 'morris':3B,17,18 'oldies':8 'rod':2B 'set':19 'sweets':10 'th':20 'wr':15,16
                                    '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-4', 'q-grit-2']
                                      'lastfmtags'  ['rockabilly', 'country', 'oldies', 'hillbilly', "50's"]
                                        'tag_date'  1953
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343122.3625157  (2021-05-07 01:18:42)
                             'size'  1340567