======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '337'
                                          'artist'  'Bob James'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Sign of the Times'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  "['smooth jazz', 'jazz', 'fusion', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '99.274'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '99.274'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'Sign of the Times'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob James'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSOP' (Performer sort order)                       'Bob James'
'TSOT' (Title sort order)                           'Sign of the Times'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf54.11.100'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:bytelength'                                   '17928988'
'TXXX:canseekontime'                                'true'
'TXXX:lastfmtags'                                   ['smooth jazz', 'jazz', 'fusion', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.28 dB'
'TXXX:replaygain_track_peak'                        '0.728001'
'TXXX:sourcedata'                                   'BADC23563HH1350598992902791'
'TXXX:starttime'                                    '0'
'TXXX:totaldatarate'                                '395'
'TXXX:totalduration'                                '362'

========================== row from database ==========================
                                              'id'  949152
                                            'path'  /data/Music/Bulk/sns/Bob James - Sign of the Times.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  337
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  8110094
                                           'mtime'  1620356642
                                   'redo_metaread'  0
                                        'rest_str'   sns set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Bob James
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Sign of the Times
                                             'bpm'  99.274
                                    'search_title'  'of':2 'sign':1 'the':3 'times':4
                                   'search_artist'  'bob':1 'james':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'mor':8 'pl':3 'set':2,5,7 'shirleyspinoza':4,6 'sns':1
                                    'search_combo'  'bob':5B 'james':6B 'mor':16 'of':2A 'pl':11 'set':10,13,15 'shirley':7C 'shirleyspinoza':12,14 'sign':1A 'sns':9 'spinoza':8C 'the':3A 'times':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['smooth jazz', 'jazz', 'fusion', 'funk']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620356641.8717763  (2021-05-07 05:04:01)
                             'size'  8110094