======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '206'
                                          'artist'  'Les Baxter & 101 Strings'
                                     'text_people'  ''
                                         'release'  'Xtabay Compilation'
                                           'title'  'Sound Of Silence'
                                           '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-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['orchestre', 'old', 'classique', 'oldies', 'reprise']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '141.710'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Xtabay Compilation'
'TBPM' (BPM (beats per minute))                     '141.710'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Sound Of Silence'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Les Baxter & 101 Strings'
'TRCK' (Track number/Position in set)               '12'
'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:lastfmtags'                                   ['orchestre', 'old', 'classique', 'oldies', 'reprise']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.91 dB'
'TXXX:replaygain_track_peak'                        '0.468781'

========================== row from database ==========================
                                              'id'  789191
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Lounge/101 Strings - With Les Baxter/12 - Sound Of Silence.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  206
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  4969451
                                           'mtime'  1620531771
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Lounge With 12 prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Les Baxter & 101 Strings
                                     'tag_release'  Xtabay Compilation
                                       'tag_title'  Sound Of Silence
                                             'bpm'  141.71
                                    'search_title'  'of':2 'silence':3 'sound':1
                                   'search_artist'  '101':3 'baxter':2 'les':1 'strings':4
                                  'search_release'  'compilation':2 'xtabay':1
                                     'search_rest'  'bossa':10 'country':4 'exotica':2 'jazz':1 'jb':8 'lounge':5 'oldies':3 'or':9 'prerock':7 'with':6
                                    'search_combo'  '101':6B 'baxter':5B 'bossa':19 'compilation':9C 'country':13 'exotica':11 'jazz':10 'jb':17 'les':4B 'lounge':14 'of':2A 'oldies':12 'or':18 'prerock':16 'silence':3A 'sound':1A 'strings':7B 'with':15 'xtabay':8C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['orchestre', 'old', 'classique', 'oldies', 'reprise']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620531770.5452797  (2021-05-09 05:42:50)
                             'size'  4969451