======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '270'
                                          'artist'  'James Taylor'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1971'
                                           'title'  "You've Got a Friend"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['acoustic', 'rock', 'classic rock', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  ('electronic-generic or '
 'radio-unsorted;rock-cppex;ifs-songwriter-folk;ifs-songwriter-rock;set-pl-billboard')
                                             'bpm'  '91.680'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Billboard'
'TALB' (Album/Movie/Show title)                     'Billboard Top Pop Singles of 1971'
'TBPM' (BPM (beats per minute))                     '91.680'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'rock-cppex',
 'ifs-songwriter-folk',
 'ifs-songwriter-rock',
 'set-pl-billboard']
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         "You've Got a Friend"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'James Taylor'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['acoustic', 'rock', 'classic rock', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                        '+0.48 dB'
'TXXX:replaygain_track_peak'                        '0.745881'

========================== row from database ==========================
                                              'id'  1517428
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1971/017 - James Taylor - You_ve Got a Friend.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  270
                                           'genre'  electronic-generic or radio-unsorted;rock-cppex;ifs-songwriter-folk;ifs-songwriter-rock;set-pl-billboard
                                        'filesize'  5417262
                                           'mtime'  1642256361
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 017 You_ve electronic generic radio unsorted;rock cppex;ifs songwriter folk;ifs songwriter rock;set pl billboard
                                      'tag_artist'  James Taylor
                                     'tag_release'  Billboard Top Pop Singles of 1971
                                       'tag_title'  You've Got a Friend
                                             'bpm'  91.68
                                    'search_title'  'a':5 'friend':6 'got':4 've':2 'you':1 'youve':3
                                   'search_artist'  'james':1 'taylor':2
                                  'search_release'  '1971':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 'billboard':26 'cppex':12,14 'electronic':5 'folk':17,19 'generic':6 'ifs':13,15,18,20 'pl':25 'radio':7 'rock':9,11,21,23 'set':22,24 'songwriter':16 'top100':2 'unsorted':8,10 've':4 'you':3
                                    'search_combo'  '00poprockelectronic':15 '1971':14C 'a':5A 'billboard':9C,40 'cppex':26,28 'electronic':19 'folk':31,33 'friend':6A 'generic':20 'got':4A 'ifs':27,29,32,34 'james':7B 'of':13C 'pl':39 'pop':11C 'radio':21 'rock':23,25,35,37 'set':36,38 'singles':12C 'songwriter':30 'taylor':8B 'top':10C 'top100':16 'unsorted':22,24 've':2A,18 'you':1A,17 'youve':3A
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['acoustic', 'rock', 'classic rock', 'folk', 'singer songwriter']
                                        'tag_date'  1971
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256361.1324348  (2022-01-15 15:19:21)
                             'size'  5417262