======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '166'
                                          'artist'  'Jack Stern & His Orchestra'
                                     'text_people'  ''
                                         'release'  'Background Music - Light and Lively'
                                           'title'  'My Gal Sal'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '8'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '90.371'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000002DC 0000019A 00000F29'
'COMM:iTunNORM:eng'                                 (' 000002DC 0000019A 00000F29 000007CD 0001ADF5 0001ADF5 00004DCD 00003872 '
 '0001ADF5 0001ADF5')
'TALB' (Album/Movie/Show title)                     'Background Music - Light and Lively'
'TBPM' (BPM (beats per minute))                     '90.371'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TIT2' (Title/songname/content description)         'My Gal Sal'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jack Stern & His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '5/8'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.23 dB'
'TXXX:replaygain_track_peak'                        '0.591136'

========================== row from database ==========================
                                              'id'  793181
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Lounge/Background Music - Light & Lively/5. My Gal Sal - Jack Stern & His Orchestra.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  166
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  4004124
                                           'mtime'  1620531796
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Lounge 5. prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Jack Stern & His Orchestra
                                     'tag_release'  Background Music - Light and Lively
                                       'tag_title'  My Gal Sal
                                             'bpm'  90.371
                                    'search_title'  'gal':2 'my':1 'sal':3
                                   'search_artist'  'his':3 'jack':1 'orchestra':4 'stern':2
                                  'search_release'  'and':4 'background':1 'light':3 'lively':5 'music':2
                                     'search_rest'  '5':6,7 'bossa':11 'country':4 'exotica':2 'jazz':1 'jb':9 'lounge':5 'oldies':3 'or':10 'prerock':8
                                    'search_combo'  '5':18,19 'and':11C 'background':8C 'bossa':23 'country':16 'exotica':14 'gal':2A 'his':6B 'jack':4B 'jazz':13 'jb':21 'light':10C 'lively':12C 'lounge':17 'music':9C 'my':1A 'oldies':15 'or':22 'orchestra':7B 'prerock':20 'sal':3A 'stern':5B
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620531795.5769575  (2021-05-09 05:43:15)
                             'size'  4004124