======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '165'
                                          'artist'  'The 101-Strings Orchestra'
                                     'text_people'  ''
                                         'release'  'On Broadway'
                                           'title'  'Can can - "Can can"'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'q-bass-1', 'q-play-2', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['instrumental', 'easy listening', 'classical', 'edhits', 'myhits']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '144.6'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'On Broadway'
'TBPM' (BPM (beats per minute))                     '144.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Can can - "Can can"'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The 101-Strings Orchestra'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'easy listening', 'classical', 'edhits', 'myhits']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.14 dB'
'TXXX:replaygain_track_peak'                        '0.706512'

========================== row from database ==========================
                                              'id'  1479555
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1993 - On Broadway/17 - Can Can.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  165
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  6616210
                                           'mtime'  1621705557
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1993 17 electronic generic or radio easy listening
                                      'tag_artist'  The 101-Strings Orchestra
                                     'tag_release'  On Broadway
                                       'tag_title'  Can can - "Can can"
                                             'bpm'  144.6
                                    'search_title'  'can':1,2,3
                                   'search_artist'  '101':2 '101strings':4 'orchestra':5 'strings':3 'the':1
                                  'search_release'  'broadway':2 'on':1
                                     'search_rest'  '1993':5 'country':4 'easy':10 'electronic':6 'exotica':2 'generic':7 'jazz':1 'listening':11 'oldies':3 'or':8 'radio':9
                                    'search_combo'  '101':5B '101strings':7B '1993':15 'broadway':10C 'can':1A,2A,3A 'country':14 'easy':20 'electronic':16 'exotica':12 'generic':17 'jazz':11 'listening':21 'oldies':13 'on':9C 'or':18 'orchestra':8B 'radio':19 'strings':6B 'the':4B
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'q-play-2', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'q-bass-1']
                                      'lastfmtags'  ['instrumental', 'easy listening', 'classical', 'edhits', 'myhits']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705557.1433706  (2021-05-22 19:45:57)
                             'size'  6616210