======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '200'
                                          'artist'  'Tina Turner'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Show Some Respect (single version)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'female vocalists', 'soul', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '143.721'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '143.721'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Show Some Respect (single version)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tina Turner'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'female vocalists', 'soul', 'pop', 'rock']
'TXXX:other'                                        'A'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.03 dB'
'TXXX:replaygain_track_peak'                        '0.586608'

========================== row from database ==========================
                                              'id'  1295060
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/113-A Tina Turner - Show Some Respect (single version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  200
                                           'genre'  funk or soul
                                        'filesize'  8009244
                                           'mtime'  1628357913
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 113 A funk or soul
                                      'tag_artist'  Tina Turner
                                     'tag_release'  None
                                       'tag_title'  Show Some Respect (single version)
                                             'bpm'  143.721
                                    'search_title'  'respect':3 'show':1 'single':4,5 'some':2 'version':6,7
                                   'search_artist'  'tina':1 'turner':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '113':4 '1985':2 'a':5 'complete':3 'funk':6 'or':7 'soul':8
                                    'search_combo'  '00poprockelectronic':10 '113':13 '1985':11 'a':14 'complete':12 'funk':15 'or':16 'respect':3A 'show':1A 'single':4A,5A 'some':2A 'soul':17 'tina':8B 'turner':9B 'version':6A,7A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'female vocalists', 'soul', 'pop', 'rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357913.302989  (2021-08-07 19:38:33)
                             'size'  8009244