======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '334'
                                          'artist'  "Denise and Baby's Gang"
                                     'text_people'  ''
                                         'release'  'The Best of Italo Disco, Volume 11'
                                           'title'  'Disco Maniac'
                                           'quals'  "['q-bass-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '16'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'pop,eighties,zomgeighties'
                                             'bpm'  '114.5'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Best of Italo Disco, Volume 11'
'TBPM' (BPM (beats per minute))                     '114.5'
'TCON' (Content type, a.k.a. Genre)                 'pop,eighties,zomgeighties'
'TIT2' (Title/songname/content description)         'Disco Maniac'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               "Denise and Baby's Gang"
'TRCK' (Track number/Position in set)               '11/16'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.15 dB'
'TXXX:replaygain_track_peak'                        '0.678563'

========================== row from database ==========================
                                              'id'  1538527
                                            'path'  /data/Music/Other/PrevSet/[7zomgeighties]/Denise & Babys Gang - Disco Maniac (Extended Version).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  334
                                           'genre'  pop,eighties,zomgeighties
                                        'filesize'  8028934
                                           'mtime'  1662800442
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [7zomgeighties] & Babys (Extended Version) pop,eighties,zomgeighties
                                      'tag_artist'  Denise and Baby's Gang
                                     'tag_release'  The Best of Italo Disco, Volume 11
                                       'tag_title'  Disco Maniac
                                             'bpm'  114.5
                                    'search_title'  'disco':1 'maniac':2
                                   'search_artist'  'and':2 'baby':3 'babys':5 'denise':1 'gang':6 's':4
                                  'search_release'  'best':2 'disco':5,6 'italo':4 'of':3 'the':1 'volume':7
                                     'search_rest'  '7zomgeighties':2,3 'babys':4 'eighties':10,13 'extended':5,6 'pop':9,12 'prev':15 'prevset':1 'set':16 'version':7,8 'zomgeighties':11,14
                                    'search_combo'  '7zomgeighties':17,18 'and':4B 'baby':5B 'babys':7B,19 'best':10C 'denise':3B 'disco':1A,13C,14C 'eighties':25,28 'extended':20,21 'gang':8B 'italo':12C 'maniac':2A 'of':11C 'pop':24,27 'prev':30 'prevset':16 's':6B 'set':31 'the':9C 'version':22,23 'volume':15C 'zomgeighties':26,29
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['q-bass-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800441.6243577  (2022-09-10 11:00:41)
                             'size'  8028934