======================== unified (from filesystem) ========================
                                         'bitrate'  '115.88'
                                        'duration'  '139'
                                          'artist'  'The Rolling Stones'
                                     'text_people'  ''
                                         'release'  'Out Of Our Heads'
                                           'title'  'Play With Fire'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['blues', 'rock', '60s', 'british', 'classic rock']"
                                     'discogstags'  "['rock', 'blues rock', 'rock & roll']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '108.413'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Out Of Our Heads'
'TBPM' (BPM (beats per minute))                     '108.413'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Play With Fire'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Rolling Stones'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'blues rock', 'rock & roll']
'TXXX:lastfmtags'                                   ['blues', 'rock', '60s', 'british', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.99 dB'
'TXXX:replaygain_track_peak'                        '0.559653'

========================== row from database ==========================
                                              'id'  1415450
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/The Rolling Stones - 1965 - Out Of Our Heads/10 - Play With Fire.mp3
                                         'working'  None
                                         'bitrate'  115
                                    'duration_sec'  139
                                           'genre'  rock-cppex-classic
                                        'filesize'  2026236
                                           'mtime'  1636038941
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 1965 10 rock cppex classic
                                      'tag_artist'  The Rolling Stones
                                     'tag_release'  Out Of Our Heads
                                       'tag_title'  Play With Fire
                                             'bpm'  108.413
                                    'search_title'  'fire':3 'play':1 'with':2
                                   'search_artist'  'rolling':2 'stones':3 'the':1
                                  'search_release'  'heads':4 'of':2 'our':3 'out':1
                                     'search_rest'  '1965':2 'classic':5 'classicprogpsy':1 'cppex':4 'rock':3
                                    'search_combo'  '1965':12 'classic':15 'classicprogpsy':11 'cppex':14 'fire':3A 'heads':10C 'of':8C 'our':9C 'out':7C 'play':1A 'rock':13 'rolling':5B 'stones':6B 'the':4B 'with':2A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  9A
                                           '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-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', '60s', 'british', 'classic rock']
                                        'tag_date'  1965
                                     'discogstags'  ['rock', 'blues rock', 'rock & roll']

============================== file details ==============================
                                           'mtime'  1636038941.2320616  (2021-11-04 16:15:41)
                             'size'  2026236