======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '247'
                                          'artist'  'Roy Ayres'
                                     'text_people'  ''
                                         'release'  "70's Dancefloor Ultimate Collection - CD2"
                                           'title'  "Don't Stop The Feeling"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['funk', 'jazz', 'soul', 'jazz-funk', 'acid jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0215'
                                      'tracktotal'  '20'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '114.0'
                                             'key'  '6A'
                                        '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 - CD2"
'TBPM' (BPM (beats per minute))                     '114.0'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         "Don't Stop The Feeling"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Roy Ayres'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2'
'TRCK' (Track number/Position in set)               '0215/20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['funk', 'jazz', 'soul', 'jazz-funk', 'acid jazz']
'TXXX:other'                                        'Various'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-6.47 dB'
'TXXX:replaygain_track_peak'                        '1.136703'

========================== row from database ==========================
                                              'id'  1529525
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Various Artists - 100 Hits - 70_s Dancefloor (The Ultimate Collection) 2017 - @192/0215 - Various - Don_t Stop The Feeling - (Roy Ayres).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  247
                                           'genre'  funk or soul
                                        'filesize'  6049709
                                           'mtime'  1628357703
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Various Artists 100 Hits 70_s (The Collection) 2017 @192 0215 Various Don_t (Roy Ayres) funk soul
                                      'tag_artist'  Roy Ayres
                                     'tag_release'  70's Dancefloor Ultimate Collection - CD2
                                       'tag_title'  Don't Stop The Feeling
                                             'bpm'  114.0
                                    'search_title'  'don':1 'dont':3 'feeling':6 'stop':4 't':2 'the':5
                                   'search_artist'  'ayres':2 'roy':1
                                  'search_release'  '70':1 '70s':3 'cd2':7 'collection':6 'dancefloor':4 's':2 'ultimate':5
                                     'search_rest'  '0215':16 '100':6 '192':15 '2017':14 '70':8 'artists':5 'ayres':21,22 'collection':12,13 'don':17 'funk':2 'hits':7 'roy':19,20 's':9 'soul':3 'swing':1 't':18 'the':10,11 'various':4
                                    'search_combo'  '0215':31 '100':21 '192':30 '2017':29 '70':9C,23 '70s':11C 'artists':20 'ayres':8B,36,37 'cd2':15C 'collection':14C,27,28 'dancefloor':12C 'don':1A,32 'dont':3A 'feeling':6A 'funk':17 'hits':22 'roy':7B,34,35 's':10C,24 'soul':18 'stop':4A 'swing':16 't':2A,33 'the':5A,25,26 'ultimate':13C 'various':19
                                    'tag_tracknum'  215
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['funk', 'jazz', 'soul', 'jazz-funk', 'acid jazz']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357702.6265588  (2021-08-07 19:35:02)
                             'size'  6049709