======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '207'
                                          'artist'  'The Zack Laurence Orchestra'
                                     'text_people'  ''
                                         'release'  "Alive An' Kickin'"
                                           'title'  'Mississippi Delta'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'easy listening', 'lounge', 'exotica', 'library']"
                                     'discogstags'  "['jazz', 'funk / soul', 'pop', 'stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '118.3'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Alive An' Kickin'"
'TBPM' (BPM (beats per minute))                     '118.3'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Mississippi Delta'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Zack Laurence Orchestra'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'funk / soul', 'pop', 'stage & screen']
'TXXX:lastfmtags'                                   ['60s', 'easy listening', 'lounge', 'exotica', 'library']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.604417'

========================== row from database ==========================
                                              'id'  1523967
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/the zack laurence orchestra - 1969 - alive an_ kickin_/06 - Mississippi Delta.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  207
                                           'genre'  funk or soul
                                        'filesize'  4161408
                                           'mtime'  1628357907
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul the zack laurence orchestra 1969 alive an_ kickin_ 06 funk or soul
                                      'tag_artist'  The Zack Laurence Orchestra
                                     'tag_release'  Alive An' Kickin'
                                       'tag_title'  Mississippi Delta
                                             'bpm'  118.3
                                    'search_title'  'delta':2 'mississippi':1
                                   'search_artist'  'laurence':3 'orchestra':4 'the':1 'zack':2
                                  'search_release'  'alive':1 'an':2,3 'kickin':4,5
                                     'search_rest'  '1969':8 'alive':9 'an':10 'funk':2 'kickin':11 'laurence':6 'or':12 'orchestra':7 'soul':3 'swing':1 'the':4 'zack':5
                                    'search_combo'  '1969':19 'alive':7C,20 'an':8C,9C,21 'delta':2A 'funk':13 'kickin':10C,11C,22 'laurence':5B,17 'mississippi':1A 'or':23 'orchestra':6B,18 'soul':14 'swing':12 'the':3B,15 'zack':4B,16
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'easy listening', 'lounge', 'exotica', 'library']
                                        'tag_date'  1969
                                     'discogstags'  ['jazz', 'funk / soul', 'pop', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1628357906.846455  (2021-08-07 19:38:26)
                             'size'  4161408