======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '207'
                                          'artist'  'John Cougar Mellencamp'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Wild Night'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['classic rock', 'rock', '80s', 'singer-songwriter', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-billboard'
                                             'bpm'  '96.392'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '96.392'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Wild Night'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'John Cougar Mellencamp'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classic rock', 'rock', '80s', 'singer-songwriter', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.658926'
'TXXX:tracknum'                                     '149'

========================== row from database ==========================
                                              'id'  1332369
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/149 - John Cougar Mellencamp - Wild Night (1994).mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  207
                                           'genre'  electronic-generic or radio-unsorted;set-pl-billboard
                                        'filesize'  2494490
                                           'mtime'  1676052956
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 149 (1994) electronic generic or radio unsorted;set pl billboard
                                      'tag_artist'  John Cougar Mellencamp
                                     'tag_release'  None
                                       'tag_title'  Wild Night
                                             'bpm'  96.392
                                    'search_title'  'night':2 'wild':1
                                   'search_artist'  'cougar':2 'john':1 'mellencamp':3
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '149':3 '1994':4,5 '90s':2 'billboard':15 'electronic':6 'generic':7 'or':8 'pl':14 'radio':9 'set':11,13 'unsorted':10,12
                                    'search_combo'  '00poprockelectronic':6 '149':8 '1994':9,10 '90s':7 'billboard':20 'cougar':4B 'electronic':11 'generic':12 'john':3B 'mellencamp':5B 'night':2A 'or':13 'pl':19 'radio':14 'set':16,18 'unsorted':15,17 'wild':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['classic rock', 'rock', '80s', 'singer-songwriter', 'pop']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676052956.1418228  (2023-02-10 19:15:56)
                             'size'  2494490