======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '189'
                                          'artist'  'Les Baxter & 101 Strings'
                                     'text_people'  ''
                                         'release'  'Xtabay Compilation'
                                           'title'  'Love Theme'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['orchestre', 'old', 'classique', 'oldies', 'reprise']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '122.659'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Xtabay Compilation'
'TBPM' (BPM (beats per minute))                     '122.659'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Love Theme'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Les Baxter & 101 Strings'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['orchestre', 'old', 'classique', 'oldies', 'reprise']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.02 dB'
'TXXX:replaygain_track_peak'                        '0.543811'

========================== row from database ==========================
                                              'id'  773416
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Lounge/101 Strings - With Les Baxter/06 - Love Theme.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  189
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  4543132
                                           'mtime'  1620531753
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Lounge With 06 prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Les Baxter & 101 Strings
                                     'tag_release'  Xtabay Compilation
                                       'tag_title'  Love Theme
                                             'bpm'  122.659
                                    'search_title'  'love':1 'theme':2
                                   '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':5B 'baxter':4B 'bossa':18 'compilation':8C 'country':12 'exotica':10 'jazz':9 'jb':16 'les':3B 'lounge':13 'love':1A 'oldies':11 'or':17 'prerock':15 'strings':6B 'theme':2A 'with':14 'xtabay':7C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-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-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['orchestre', 'old', 'classique', 'oldies', 'reprise']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620531753.2096112  (2021-05-09 05:42:33)
                             'size'  4543132