======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '137'
                                          'artist'  'Barbara George'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'I Know(you Dont Love Me Anymore)'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-3', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'rhythm and blues', 'new orleans', '60s', 'female vocalists']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '124.392'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '124.392'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'I Know(you Dont Love Me Anymore)'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Barbara George'
'TPE2' (Band/orchestra/accompaniment)               'Barbara George'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:lastfmtags'                                   ['soul', 'rhythm and blues', 'new orleans', '60s', 'female vocalists']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.24 dB'
'TXXX:replaygain_track_peak'                        '0.421420'

========================== row from database ==========================
                                              'id'  1491626
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Barbara George - I Know(You Dont Love Me Anymore) [].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  137
                                           'genre'  prerock-jb-blues
                                        'filesize'  3291136
                                           'mtime'  1620403704
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch Know(You [] prerock jb blues
                                      'tag_artist'  Barbara George
                                     'tag_release'  None
                                       'tag_title'  I Know(you Dont Love Me Anymore)
                                             'bpm'  124.392
                                    'search_title'  'anymore':8,9 'dont':5 'i':1 'know':2 'knowyou':4 'love':6 'me':7 'you':3
                                   'search_artist'  'barbara':1 'george':2
                                  'search_release'  
                                     'search_rest'  '00dutch':4 '00mid':1 'blues':10 'europe':3 'jb':9 'know':5 'knowyou':7 'north':2 'prerock':8 'you':6
                                    'search_combo'  '00dutch':15 '00mid':12 'anymore':8A,9A 'barbara':10B 'blues':21 'dont':5A 'europe':14 'george':11B 'i':1A 'jb':20 'know':2A,16 'knowyou':4A,18 'love':6A 'me':7A 'north':13 'prerock':19 'you':3A,17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'rhythm and blues', 'new orleans', '60s', 'female vocalists']
                                        'tag_date'  2008
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1620403703.5214982  (2021-05-07 18:08:23)
                             'size'  3291136