======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '150'
                                          'artist'  'Anita Harris'
                                     'text_people'  ''
                                         'release'  'Those Pesky Kids!'
                                           'title'  'The Pushbike Song'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['female vocalists', '60s', 'easy listening', 'pop', 'lounge']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '28'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-sex'
                                             'bpm'  '84.491'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Those Pesky Kids!'
'TBPM' (BPM (beats per minute))                     '84.491'
'TCON' (Content type, a.k.a. Genre)                 'set-th-sex'
'TIT2' (Title/songname/content description)         'The Pushbike Song'
'TKEY' (Initial key)                                '11A'
'TLEN' (Length)                                     '0'
'TPE1' (Lead performer(s)/Soloist(s))               'Anita Harris'
'TRCK' (Track number/Position in set)               '28'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['female vocalists', '60s', 'easy listening', 'pop', 'lounge']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.64 dB'
'TXXX:replaygain_track_peak'                        '0.684091'

========================== row from database ==========================
                                              'id'  766142
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/sexy/Anita Harris - The Pushbike Song.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  150
                                           'genre'  set-th-sex
                                        'filesize'  2404477
                                           'mtime'  1620343505
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes sexy set th sex
                                      'tag_artist'  Anita Harris
                                     'tag_release'  Those Pesky Kids!
                                       'tag_title'  The Pushbike Song
                                             'bpm'  84.491
                                    'search_title'  'pushbike':2 'song':3 'the':1
                                   'search_artist'  'anita':1 'harris':2
                                  'search_release'  'kids':3 'pesky':2 'those':1
                                     'search_rest'  '0novelty':2 '0playlists':1 'set':5 'sex':7 'sexy':4 'th':6 'themes':3
                                    'search_combo'  '0novelty':10 '0playlists':9 'anita':4B 'harris':5B 'kids':8C 'pesky':7C 'pushbike':2A 'set':13 'sex':15 'sexy':12 'song':3A 'th':14 'the':1A 'themes':11 'those':6C
                                    'tag_tracknum'  28
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', '60s', 'easy listening', 'pop', 'lounge']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343504.6427424  (2021-05-07 01:25:04)
                             'size'  2404477