======================== unified (from filesystem) ========================
                                         'bitrate'  '247.465'
                                        'duration'  '222'
                                          'artist'  'Destiny´s Child'
                                     'text_people'  ''
                                         'release'  'The Writing´s on the Wall (bonus disc)'
                                           'title'  'Independent Women Part II'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-2', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['rnb', 'pop', 'female vocalists', 'soul', 'hip-hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism;set-pl-billboard'
                                             'bpm'  '132.704'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Writing´s on the Wall (bonus disc)'
'TBPM' (BPM (beats per minute))                     '132.704'
'TCON' (Content type, a.k.a. Genre)                 ['hip hop or rnb or rap or turntablism', 'set-pl-billboard']
'TIT2' (Title/songname/content description)         'Independent Women Part II'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Destiny´s Child'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'pop', 'female vocalists', 'soul', 'hip-hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.59 dB'
'TXXX:replaygain_track_peak'                        '0.340661'

========================== row from database ==========================
                                              'id'  1326125
                                            'path'  /data/Music/Bulk/00poprockelectronic/Destiny´s Child/The Writing´s on the Wall (bonus disc)/Destiny´s Child - The Writing´s on the Wall (bonus disc) - 02 - Independent Women Part II.mp3
                                         'working'  None
                                         'bitrate'  247
                                    'duration_sec'  222
                                           'genre'  hip hop or rnb or rap or turntablism;set-pl-billboard
                                        'filesize'  6894337
                                           'mtime'  1620533541
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 02 hip hop or rnb or rap or turntablism;set pl billboard
                                      'tag_artist'  Destiny´s Child
                                     'tag_release'  The Writing´s on the Wall (bonus disc)
                                       'tag_title'  Independent Women Part II
                                             'bpm'  132.704
                                    'search_title'  'ii':4 'independent':1 'part':3 'women':2
                                   'search_artist'  'child':5 'destiny':1,3 's':2,4
                                  'search_release'  'bonus':8,9 'disc':10,11 'on':6 's':3,5 'the':1 'wall':7 'writing':2,4
                                     'search_rest'  '00poprockelectronic':1 'billboard':12 'hip':2 'hop':3 'or':4 'pl':11 'rap':6 'rnb':5 'set':8,10 'turntablism':7,9
                                    'search_combo'  '00poprockelectronic':21 'billboard':32 'bonus':17C,18C 'child':9B 'destiny':5B,7B 'disc':19C,20C 'hip':22 'hop':23 'ii':4A 'independent':1A 'on':15C 'or':24 'part':3A 'pl':31 'rap':26 'rnb':25 's':6B,8B,12C,14C 'set':28,30 'the':10C 'turntablism':27,29 'wall':16C 'women':2A 'writing':11C,13C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'pop', 'female vocalists', 'soul', 'hip-hop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533541.121246  (2021-05-09 06:12:21)
                             'size'  6894337