======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '225'
                                          'artist'  'Eddy Senay'
                                     'text_people'  ''
                                         'release'  'baad assss soul 1'
                                           'title'  'Hot Thang'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'jazz', 'funk', '7soul', 'all']"
                                     'discogstags'  "['funk / soul', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '017'
                                      'tracktotal'  ''
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '124.6'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'baad assss soul 1'
'TBPM' (BPM (beats per minute))                     '124.6'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         'Hot Thang'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Eddy Senay'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '017'
'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:discogstags'                                  ['funk / soul', 'funk']
'TXXX:lastfmtags'                                   ['soul', 'jazz', 'funk', '7soul', 'all']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.14 dB'
'TXXX:replaygain_track_peak'                        '0.381020'

========================== row from database ==========================
                                              'id'  1113954
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/baad asssss soul 1/017 Eddy Senay - Hot Thang(1972).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  225
                                           'genre'  funk or soul
                                        'filesize'  3602453
                                           'mtime'  1628357904
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk asssss 017 Thang(1972) funk or
                                      'tag_artist'  Eddy Senay
                                     'tag_release'  baad assss soul 1
                                       'tag_title'  Hot Thang
                                             'bpm'  124.6
                                    'search_title'  'hot':1 'thang':2
                                   'search_artist'  'eddy':1 'senay':2
                                  'search_release'  '1':4 'assss':2 'baad':1 'soul':3
                                     'search_rest'  '1972':5 'asssss':3 'funk':2 'or':7 'swing':1 'thang':4 'thang1972':6
                                    'search_combo'  '1':8C '1972':13 'assss':6C 'asssss':11 'baad':5C 'eddy':3B 'funk':10 'hot':1A 'or':15 'senay':4B 'soul':7C 'swing':9 'thang':2A,12 'thang1972':14
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'jazz', 'funk', '7soul', 'all']
                                        'tag_date'  1972
                                     'discogstags'  ['funk / soul', 'funk']

============================== file details ==============================
                                           'mtime'  1628357903.7564397  (2021-08-07 19:38:23)
                             'size'  3602453