======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '331'
                                          'artist'  'Steve Miller Band'
                                     'text_people'  ''
                                         'release'  'The Gangster Is Back'
                                           'title'  'Blues With A Feeling'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'rock', 'psychedelic', '70s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '13'
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic;rock-cppex;rock-cppex-psychedelic'
                                             'bpm'  '139.178'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'A40F060D'
'COMM:ID3v1 Comment:XXX'                            'A40F060D'
'TALB' (Album/Movie/Show title)                     'The Gangster Is Back'
'TBPM' (BPM (beats per minute))                     '139.178'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-classic', 'rock-cppex', 'rock-cppex-psychedelic']
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         'Blues With A Feeling'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Steve Miller Band'
'TRCK' (Track number/Position in set)               '4/13'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80.04, LAME dll 3.91, 256 Kbit/s, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'rock', 'psychedelic', '70s', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.05 dB'
'TXXX:replaygain_track_peak'                        '0.476147'

========================== row from database ==========================
                                              'id'  1415485
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Steve Miller Band/Steve Miller Band-The Gangster Is Back/04 - Blues With A Feeling.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  331
                                           'genre'  rock-cppex-classic;rock-cppex;rock-cppex-psychedelic
                                        'filesize'  10609418
                                           'mtime'  1636301321
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 04 rock cppex classic;rock cppex;rock cppex psychedelic
                                      'tag_artist'  Steve Miller Band
                                     'tag_release'  The Gangster Is Back
                                       'tag_title'  Blues With A Feeling
                                             'bpm'  139.178
                                    'search_title'  'a':3 'blues':1 'feeling':4 'with':2
                                   'search_artist'  'band':3 'miller':2 'steve':1
                                  'search_release'  'back':4 'gangster':2 'is':3 'the':1
                                     'search_rest'  'classic':4,6 'classicprogpsy':1 'cppex':3,8,10 'psychedelic':12 'rock':2,5,7,9,11
                                    'search_combo'  'a':3A 'back':11C 'band':7B 'blues':1A 'classic':15,17 'classicprogpsy':12 'cppex':14,19,21 'feeling':4A 'gangster':9C 'is':10C 'miller':6B 'psychedelic':23 'rock':13,16,18,20,22 'steve':5B 'the':8C 'with':2A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'rock', 'psychedelic', '70s', 'classic rock']
                                        'tag_date'  1972
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636301320.9476106  (2021-11-07 17:08:40)
                             'size'  10609418