======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '130'
                                          'artist'  'Peggy Lee'
                                     'text_people'  ''
                                         'release'  'The Best of Miss Peggy Lee'
                                           'title'  "I'm a Woman"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', '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-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'jazz', 'female vocalists', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '00'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-swing;prerock-jb-jazz-vocal;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '100.856'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Best of Miss Peggy Lee'
'TBPM' (BPM (beats per minute))                     '100.856'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-soft-swing',
 'prerock-jb-jazz-vocal',
 'set-pl-shirleyspinoza',
 'set-pl-mor']
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         "I'm a Woman"
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '130000'
'TPE1' (Lead performer(s)/Soloist(s))               'Peggy Lee'
'TRCK' (Track number/Position in set)               '00'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'jazz', 'female vocalists', 'oldies', 'swing']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                        '+0.58 dB'
'TXXX:replaygain_track_peak'                        '0.764177'

========================== row from database ==========================
                                              'id'  1513615
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Lee, Peggy/New Folder/Peggy Lee - I_m A Woman.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  130
                                           'genre'  prerock-jb-jazz-soft-swing;prerock-jb-jazz-vocal;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  2086784
                                           'mtime'  1620531219
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Lee, New Folder I_m A prerock jb jazz soft swing;prerock jb jazz vocal;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Peggy Lee
                                     'tag_release'  The Best of Miss Peggy Lee
                                       'tag_title'  I'm a Woman
                                             'bpm'  100.856
                                    'search_title'  'a':4 'i':1 'im':3 'm':2 'woman':5
                                   'search_artist'  'lee':2 'peggy':1
                                  'search_release'  'best':2 'lee':6 'miss':4 'of':3 'peggy':5 'the':1
                                     'search_rest'  'a':11 'country':4 'exotica':2 'folder':8 'i':9 'jazz':1 'jb':13 'lee':5,6 'm':10 'mor':28 'new':7 'oldies':3 'pl':23 'prerock':12,16,18 'set':20,22,25,27 'shirleyspinoza':24,26 'soft':14 'swing':15,17 'vocal':19,21
                                    'search_combo'  'a':4A,24 'best':9C 'country':17 'exotica':15 'folder':21 'i':1A,22 'im':3A 'jazz':14 'jb':26 'lee':7B,13C,18,19 'm':2A,23 'miss':11C 'mor':41 'new':20 'of':10C 'oldies':16 'peggy':6B,12C 'pl':36 'prerock':25,29,31 'set':33,35,38,40 'shirleyspinoza':37,39 'soft':27 'swing':28,30 'the':8C 'vocal':32,34 'woman':5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'jazz', 'female vocalists', 'oldies', 'swing']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620531218.6329293  (2021-05-09 05:33:38)
                             'size'  2086784