======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '264'
                                          'artist'  'Sade'
                                     'text_people'  ''
                                         'release'  'Stronger Than Pride'
                                           'title'  'Nothing Can Come Between Us'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['love', 'jazz', 'female vocalists', 'soul']"
                                     'discogstags'  "['electronic', 'funk / soul', 'downtempo', 'neo soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'prerock-jb-unsorted'
                                             'bpm'  '138.797'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Stronger Than Pride'
'TBPM' (BPM (beats per minute))                     '138.797'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-unsorted'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Nothing Can Come Between Us'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sade'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'funk / soul', 'downtempo', 'neo soul']
'TXXX:lastfmtags'                                   ['love', 'jazz', 'female vocalists', 'soul']
'TXXX:original release date'                        ['1988', '1994']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.66 dB'
'TXXX:replaygain_track_peak'                        '0.879152'

========================== row from database ==========================
                                              'id'  676620
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Sade/Stronger Than Pride/MBZ;#Sade;#Stronger Than Pride;#03;#Nothing Can Come Between Us.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  264
                                           'genre'  prerock-jb-unsorted
                                        'filesize'  6346758
                                           'mtime'  1620534399
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country MBZ;#Sade;#Stronger Pride;#03;#Nothing prerock jb unsorted
                                      'tag_artist'  Sade
                                     'tag_release'  Stronger Than Pride
                                       'tag_title'  Nothing Can Come Between Us
                                             'bpm'  138.797
                                    'search_title'  'between':4 'can':2 'come':3 'nothing':1 'us':5
                                   'search_artist'  'sade':1
                                  'search_release'  'pride':3 'stronger':1 'than':2
                                     'search_rest'  '03':12,15 'country':4 'exotica':2 'jazz':1 'jb':18 'mbz':5,8 'nothing':13,16 'oldies':3 'prerock':17 'pride':11,14 'sade':6,9 'stronger':7,10 'unsorted':19
                                    'search_combo'  '03':21,24 'between':4A 'can':2A 'come':3A 'country':13 'exotica':11 'jazz':10 'jb':27 'mbz':14,17 'nothing':1A,22,25 'oldies':12 'prerock':26 'pride':9C,20,23 'sade':6B,15,18 'stronger':7C,16,19 'than':8C 'unsorted':28 'us':5A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['love', 'jazz', 'female vocalists', 'soul']
                                        'tag_date'  1994
                                     'discogstags'  ['electronic', 'funk / soul', 'downtempo', 'neo soul']

============================== file details ==============================
                                           'mtime'  1620534398.7550457  (2021-05-09 06:26:38)
                             'size'  6346758