======================== unified (from filesystem) ========================
                                         'bitrate'  '116.558'
                                        'duration'  '146'
                                          'artist'  'Teddy Neeley Five'
                                     'text_people'  ''
                                         'release'  'Dimitri 60s 70s'
                                           'title'  'Autumn Afternoon'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'Q-SYN-2', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  '[\'pop-rock\', "\'60s"]'
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '138.5'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri 60s 70s'
'TBPM' (BPM (beats per minute))                     '138.5'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Autumn Afternoon'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Teddy Neeley Five'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '2'
'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'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop-rock', "'60s"]
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.85 dB'
'TXXX:replaygain_track_peak'                        '0.427266'
'TXXX:youtube'                                      'pFKILDpJvnY'

========================== row from database ==========================
                                              'id'  1477456
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/60s70s/Teddy Neeley Five - Autumn Afternoon-pFKILDpJvnY.mp3
                                         'working'  None
                                         'bitrate'  117
                                    'duration_sec'  146
                                           'genre'  rock-cppex
                                        'filesize'  2130807
                                           'mtime'  1642257589
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 60s70s pFKILDpJvnY rock cppex
                                      'tag_artist'  Teddy Neeley Five
                                     'tag_release'  Dimitri 60s 70s
                                       'tag_title'  Autumn Afternoon
                                             'bpm'  138.5
                                    'search_title'  'afternoon':2 'autumn':1
                                   'search_artist'  'five':3 'neeley':2 'teddy':1
                                  'search_release'  '60s':2 '70s':3 'dimitri':1
                                     'search_rest'  '60s70s':1 'cppex':4 'fkildp':6 'jvn':7 'p':5 'pfkildpjvny':2 'rock':3 'y':8
                                    'search_combo'  '60s':7C '60s70s':9 '70s':8C 'afternoon':2A 'autumn':1A 'cppex':12 'dimitri':6C 'five':5B 'fkildp':14 'jvn':15 'neeley':4B 'p':13 'pfkildpjvny':10 'rock':11 'teddy':3B 'y':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-SYN-2', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-3', 'Q-CHART-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-MIXBEAT-2']
                                      'lastfmtags'  ['pop-rock', "'60s"]
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642257588.5299177  (2022-01-15 15:39:48)
                             'size'  2130807