======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '150'
                                          'artist'  'Castle of Quiet'
                                     'text_people'  ''
                                         'release'  'Cocktail music for robots'
                                           'title'  'Les Baxter'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '141.611'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Cocktail music for robots'
'TBPM' (BPM (beats per minute))                     '141.611'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TIT2' (Title/songname/content description)         'Les Baxter'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Castle of Quiet'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.68 dB'
'TXXX:replaygain_track_peak'                        '0.428349'
'TXXX:tracknum'                                     '23'

========================== row from database ==========================
                                              'id'  794406
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Lounge/Cocktail music for robots/23 Castle of Quiet-Les Baxter.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  150
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  3605064
                                           'mtime'  1620532035
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Lounge 23 prerock jb jazz lounge exotica bossa
                                      'tag_artist'  Castle of Quiet
                                     'tag_release'  Cocktail music for robots
                                       'tag_title'  Les Baxter
                                             'bpm'  141.611
                                    'search_title'  'baxter':2 'les':1
                                   'search_artist'  'castle':1 'of':2 'quiet':3
                                  'search_release'  'cocktail':1 'for':3 'music':2 'robots':4
                                     'search_rest'  '23':6 'bossa':9 'country':4 'exotica':2 'jazz':1 'jb':8 'lounge':5 'oldies':3 'prerock':7
                                    'search_combo'  '23':15 'baxter':2A 'bossa':18 'castle':3B 'cocktail':6C 'country':13 'exotica':11 'for':8C 'jazz':10 'jb':17 'les':1A 'lounge':14 'music':7C 'of':4B 'oldies':12 'prerock':16 'quiet':5B 'robots':9C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620532034.6631684  (2021-05-09 05:47:14)
                             'size'  3605064