======================== unified (from filesystem) ========================
                                         'bitrate'  '242.073'
                                        'duration'  '244'
                                          'artist'  'ramsey lewis trio'
                                     'text_people'  ''
                                         'release'  'greatest hits'
                                           'title'  'since i fell for you'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-2', 'Q-PIANO-3', 'q-chart-2', 'q-drums-4', "
 "'q-other-2', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['jazz', 'soul', 'rhythm and blues', 'jazz piano', 'instrumental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  '20'
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '140.044'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000000BD 000000B4 0000178C 00001218 000382C6 000387DA 00004368 000045D0 '
 '0003A0E3 0002B06F')
'TALB' (Album/Movie/Show title)                     'greatest hits'
'TBPM' (BPM (beats per minute))                     '140.044'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'since i fell for you'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'ramsey lewis trio'
'TRCK' (Track number/Position in set)               '03/20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'soul', 'rhythm and blues', 'jazz piano', 'instrumental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.38 dB'
'TXXX:replaygain_track_peak'                        '0.771356'

========================== row from database ==========================
                                              'id'  1345555
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/03 ramsey lewis trio - since i fell for you.mp3
                                         'working'  None
                                         'bitrate'  242
                                    'duration_sec'  244
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  7387136
                                           'mtime'  1620541178
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 03 prerock jb jazz unsorted
                                      'tag_artist'  ramsey lewis trio
                                     'tag_release'  greatest hits
                                       'tag_title'  since i fell for you
                                             'bpm'  140.044
                                    'search_title'  'fell':3 'for':4 'i':2 'since':1 'you':5
                                   'search_artist'  'lewis':2 'ramsey':1 'trio':3
                                  'search_release'  'greatest':1 'hits':2
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'jazz':9 'jb':8 'loose':3,4 'prerock':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 'fell':3A 'files':15,16 'for':4A 'greatest':9C 'hits':10C 'i':2A 'jazz':19 'jb':18 'lewis':7B 'loose':13,14 'prerock':17 'ramsey':6B 'since':1A 'trio':8B 'unsorted':12 'you':5A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'soul', 'rhythm and blues', 'jazz piano', 'instrumental']
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541178.2111084  (2021-05-09 08:19:38)
                             'size'  7387136