======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '172'
                                          'artist'  "I Don't"
                                     'text_people'  ''
                                         'release'  'Music from Before The Storm'
                                           'title'  'Koda'
                                           'quals'  ("['Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', "
 "'Q-HHRNBTT-1', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-SYN-2', 'q-bass-4', 'q-drums-1', "
 "'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-PLAY-2', 'Q-CHART-2', "
 "'Q-MIXBEAT-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-gr-garage'
                                             'bpm'  '145.7'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Music from Before The Storm'
'TBPM' (BPM (beats per minute))                     '145.7'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-garage'
'TIT2' (Title/songname/content description)         'Koda'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               "I Don't"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-6.45 dB'
'TXXX:replaygain_track_peak'                        '1.011199'

========================== row from database ==========================
                                              'id'  1510721
                                            'path'  /data/Music/Bulk/0soundtrack/Soundtrack/(14)I Don_t - Koda.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  172
                                           'genre'  rock-gr-garage
                                        'filesize'  6886902
                                           'mtime'  1620392934
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Soundtrack (14)I Don_t rock gr garage
                                      'tag_artist'  I Don't
                                     'tag_release'  Music from Before The Storm
                                       'tag_title'  Koda
                                             'bpm'  145.7
                                    'search_title'  'koda':1
                                   'search_artist'  'don':2 'dont':4 'i':1 't':3
                                  'search_release'  'before':3 'from':2 'music':1 'storm':5 'the':4
                                     'search_rest'  '0soundtrack':1 '14':3 '14i':5 'don':6 'garage':10 'gr':9 'i':4 'rock':8 'soundtrack':2 't':7
                                    'search_combo'  '0soundtrack':11 '14':13 '14i':15 'before':8C 'don':3B,16 'dont':5B 'from':7C 'garage':20 'gr':19 'i':2B,14 'koda':1A 'music':6C 'rock':18 'soundtrack':12 'storm':10C 't':4B,17 'the':9C
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392933.6995564  (2021-05-07 15:08:53)
                             'size'  6886902