======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '156'
                                          'artist'  'Henry Mancini'
                                     'text_people'  ''
                                         'release'  "Mancini's Greatest Hits"
                                           'title'  'Theme from The Pink Panther'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soundtrack', 'instrumental', 'lounge', 'jazz', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-video;prerock-jb-jazz-pop;mi-guitar'
                                             'bpm'  '114.608'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Mancini's Greatest Hits"
'TBPM' (BPM (beats per minute))                     '114.608'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-video', 'prerock-jb-jazz-pop', 'mi-guitar']
'TIT2' (Title/songname/content description)         'Theme from The Pink Panther'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Henry Mancini'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'instrumental', 'lounge', 'jazz', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'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'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.75 dB'
'TXXX:replaygain_track_peak'                        '0.455766'

========================== row from database ==========================
                                              'id'  671481
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Henry Mancini/Henry Mancini - Theme From The Pink Panter.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  156
                                           'genre'  soundtrack-video;prerock-jb-jazz-pop;mi-guitar
                                        'filesize'  5010356
                                           'mtime'  1620529960
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country From Panter soundtrack video;prerock jb jazz pop;mi guitar
                                      'tag_artist'  Henry Mancini
                                     'tag_release'  Mancini's Greatest Hits
                                       'tag_title'  Theme from The Pink Panther
                                             'bpm'  114.608
                                    'search_title'  'from':2 'panther':5 'pink':4 'the':3 'theme':1
                                   'search_artist'  'henry':1 'mancini':2
                                  'search_release'  'greatest':4 'hits':5 'mancini':1 'mancinis':3 's':2
                                     'search_rest'  'country':4 'exotica':2 'from':5 'guitar':17 'jazz':1 'jb':12 'mi':14,16 'oldies':3 'panter':6 'pop':13,15 'prerock':9,11 'soundtrack':7 'video':8,10
                                    'search_combo'  'country':16 'exotica':14 'from':2A,17 'greatest':11C 'guitar':29 'henry':6B 'hits':12C 'jazz':13 'jb':24 'mancini':7B,8C 'mancinis':10C 'mi':26,28 'oldies':15 'panter':18 'panther':5A 'pink':4A 'pop':25,27 'prerock':21,23 's':9C 'soundtrack':19 'the':3A 'theme':1A 'video':20,22
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'instrumental', 'lounge', 'jazz', 'easy listening']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620529960.3849142  (2021-05-09 05:12:40)
                             'size'  5010356