======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '201'
                                          'artist'  'Sweet Sensation'
                                     'text_people'  ''
                                         'release'  "70's Dancefloor Ultimate Collection - CD4"
                                           'title'  'Sad Sweet Dreamer'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['freestyle', '80s', 'classic freestyle', 'soul', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0411'
                                      'tracktotal'  '20'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '101.6'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Freak37'
'TALB' (Album/Movie/Show title)                     "70's Dancefloor Ultimate Collection - CD4"
'TBPM' (BPM (beats per minute))                     '101.6'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Sad Sweet Dreamer'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sweet Sensation'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '4'
'TRCK' (Track number/Position in set)               '0411/20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['freestyle', '80s', 'classic freestyle', 'soul', 'pop']
'TXXX:other'                                        'Various'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-7.09 dB'
'TXXX:replaygain_track_peak'                        '1.125015'

========================== row from database ==========================
                                              'id'  1533170
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Various Artists - 100 Hits - 70_s Dancefloor (The Ultimate Collection) 2017 - @192/0411 - Various - Sad Sweet Dreamer - (Sweet Sensation).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  201
                                           'genre'  funk or soul
                                        'filesize'  4961972
                                           'mtime'  1628357683
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Various Artists 100 Hits 70_s (The Collection) 2017 @192 0411 Various (Sweet Sensation) funk soul
                                      'tag_artist'  Sweet Sensation
                                     'tag_release'  70's Dancefloor Ultimate Collection - CD4
                                       'tag_title'  Sad Sweet Dreamer
                                             'bpm'  101.6
                                    'search_title'  'dreamer':3 'sad':1 'sweet':2
                                   'search_artist'  'sensation':2 'sweet':1
                                  'search_release'  '70':1 '70s':3 'cd4':7 'collection':6 'dancefloor':4 's':2 'ultimate':5
                                     'search_rest'  '0411':16 '100':6 '192':15 '2017':14 '70':8 'artists':5 'collection':12,13 'funk':2 'hits':7 's':9 'sensation':19,20 'soul':3 'sweet':17,18 'swing':1 'the':10,11 'various':4
                                    'search_combo'  '0411':28 '100':18 '192':27 '2017':26 '70':6C,20 '70s':8C 'artists':17 'cd4':12C 'collection':11C,24,25 'dancefloor':9C 'dreamer':3A 'funk':14 'hits':19 's':7C,21 'sad':1A 'sensation':5B,31,32 'soul':15 'sweet':2A,4B,29,30 'swing':13 'the':22,23 'ultimate':10C 'various':16
                                    'tag_tracknum'  411
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['freestyle', '80s', 'classic freestyle', 'soul', 'pop']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357683.0944576  (2021-08-07 19:34:43)
                             'size'  4961972