======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '84'
                                          'artist'  'Unknown'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'The Billy Bee Song'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['90s', 'leapsandbounds cdcollection', '80ies', 'comedy', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '143.011'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'GEOB:SfMarkers'                                    GEOB(encoding=<Encoding.LATIN1: 0>, mime='', filename='', desc='SfMarkers', data=b'\x0c\x00\x00\x00d\x00\x00\x00\x01\x00\x00\x00\x1c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1d\xd4f2\x00\x00\x00\x00\x01\x00\x00\x00\x14\x00\x00\x00T\x00r\x00a\x00c\x00k\x00 \x001\x000\x00 \x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '143.011'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'The Billy Bee Song'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Unknown'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Engineer'                                     'James Allenspach'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['90s', 'leapsandbounds cdcollection', '80ies', 'comedy', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.29 dB'
'TXXX:replaygain_track_peak'                        '0.659971'

========================== row from database ==========================
                                              'id'  948913
                                            'path'  /data/Music/Bulk/sns/The_Billy_Bee_Song.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  84
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  1355648
                                           'mtime'  1621044099
                                   'redo_metaread'  0
                                        'rest_str'   sns The_Billy_Bee_Song set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Unknown
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  The Billy Bee Song
                                             'bpm'  143.011
                                    'search_title'  'bee':3 'billy':2 'song':4 'the':1
                                   'search_artist'  'unknown':1
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'bee':4 'billy':3 'mor':12 'pl':7 'set':6,9,11 'shirleyspinoza':8,10 'sns':1 'song':5 'the':2
                                    'search_combo'  'bee':3A,11 'billy':2A,10 'mor':19 'pl':14 'set':13,16,18 'shirley':6C 'shirleyspinoza':15,17 'sns':8 'song':4A,12 'spinoza':7C 'the':1A,9 'unknown':5B
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'leapsandbounds cdcollection', '80ies', 'comedy', 'classic rock']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621044098.9068356  (2021-05-15 04:01:38)
                             'size'  1355648