======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '122'
                                          'artist'  'Mike Rabin & The Demons'
                                     'text_people'  ''
                                         'release'  '100 British Freakbeat Masterpieces Vol. 1'
                                           'title'  'Head Over Heels'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-SYN-1', 'Q-UNU-1', 'Q-BUSY-3', 'Q-GRIT-2', "
 "'Q-PLAY-3', 'q-bass-2', 'Q-CHART-2', 'Q-JZFKS-1', 'q-drums-2', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'Q-MIXBEAT-2', 'Q-LOCALNESS-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage'
                                             'bpm'  '131.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'http://tommentonenlacuadra.blogspot.com'
'COMM:ID3v1 Comment:eng'                            'http://tommentonenlacuadra.b'
'TALB' (Album/Movie/Show title)                     '100 British Freakbeat Masterpieces Vol. 1'
'TBPM' (BPM (beats per minute))                     '131.9'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-garage'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Head Over Heels'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mike Rabin & The Demons'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-6.45 dB'
'TXXX:replaygain_track_peak'                        '0.923513'

========================== row from database ==========================
                                              'id'  1495856
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/100 British Freakbeat Masterpieces Vol. 1/01 - Mike Rabin & The Demons - Head Over Heels.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  122
                                           'genre'  rock-gr-garage
                                        'filesize'  2945932
                                           'mtime'  1636400078
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 01 rock gr garage
                                      'tag_artist'  Mike Rabin & The Demons
                                     'tag_release'  100 British Freakbeat Masterpieces Vol. 1
                                       'tag_title'  Head Over Heels
                                             'bpm'  131.9
                                    'search_title'  'head':1 'heels':3 'over':2
                                   'search_artist'  'demons':4 'mike':1 'rabin':2 'the':3
                                  'search_release'  '1':7 '100':1 'british':2 'freakbeat':3 'masterpieces':4 'vol':5,6
                                     'search_rest'  'classicprogpsy':1 'garage':4 'gr':3 'rock':2
                                    'search_combo'  '1':14C '100':8C 'british':9C 'classicprogpsy':15 'demons':7B 'freakbeat':10C 'garage':18 'gr':17 'head':1A 'heels':3A 'masterpieces':11C 'mike':4B 'over':2A 'rabin':5B 'rock':16 'the':6B 'vol':12C,13C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-2']
                                      'lastfmtags'  []
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400077.61874  (2021-11-08 20:34:37)
                             'size'  2945932