======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '197'
                                          'artist'  'Edward Elgar'
                                     'text_people'  ''
                                         'release'  'Fallout 4 OST (Classic radio station)'
                                           'title'  "Salut d'amour"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classical', 'romantic', 'british', 'composers', 'classic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '29'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-game'
                                             'bpm'  '141.710'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Fallout 4 OST (Classic radio station)'
'TBPM' (BPM (beats per minute))                     '141.710'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-game'
'TIT2' (Title/songname/content description)         "Salut d'amour"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Edward Elgar'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12/29'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf53.30.100'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classical', 'romantic', 'british', 'composers', 'classic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.43 dB'
'TXXX:replaygain_track_peak'                        '0.485943'

========================== row from database ==========================
                                              'id'  1519565
                                            'path'  /data/Music/Bulk/0soundtrack/Fallout 4 - Classical Radio/12. Edward Elgar - Salut d_amour.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  197
                                           'genre'  soundtrack-game
                                        'filesize'  3166728
                                           'mtime'  1623433158
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Classical Radio 12. d_amour soundtrack game
                                      'tag_artist'  Edward Elgar
                                     'tag_release'  Fallout 4 OST (Classic radio station)
                                       'tag_title'  Salut d'amour
                                             'bpm'  141.71
                                    'search_title'  'amour':3 'd':2 'damour':4 'salut':1
                                   'search_artist'  'edward':1 'elgar':2
                                  'search_release'  '4':2 'classic':4,5 'fallout':1 'ost':3 'radio':6 'station':7,8
                                     'search_rest'  '0soundtrack':1 '12':4,5 'amour':7 'classical':2 'd':6 'game':9 'radio':3 'soundtrack':8
                                    'search_combo'  '0soundtrack':15 '12':18,19 '4':8C 'amour':3A,21 'classic':10C,11C 'classical':16 'd':2A,20 'damour':4A 'edward':5B 'elgar':6B 'fallout':7C 'game':23 'ost':9C 'radio':12C,17 'salut':1A 'soundtrack':22 'station':13C,14C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['classical', 'romantic', 'british', 'composers', 'classic']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623433158.171724  (2021-06-11 19:39:18)
                             'size'  3166728