======================== unified (from filesystem) ========================
                                         'bitrate'  '192.213'
                                        'duration'  '76'
                                          'artist'  'Simon & Garfunkel'
                                     'text_people'  ''
                                         'release'  'The Graduate'
                                           'title'  'Mrs Robinson'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['acoustic', 'rock', 'singer songwriter', 'folk', 'classic rock']"
                                     'discogstags'  ("['rock', 'folk, world, & country', 'stage & screen', 'folk rock', "
 "'soundtrack']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '92.518'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Graduate'
'TBPM' (BPM (beats per minute))                     '92.518'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Mrs Robinson'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Simon & Garfunkel'
'TRCK' (Track number/Position in set)               '3'
'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:discogstags'                                  ['rock', 'folk, world, & country', 'stage & screen', 'folk rock', 'soundtrack']
'TXXX:lastfmtags'                                   ['acoustic', 'rock', 'singer songwriter', 'folk', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.10 dB'
'TXXX:replaygain_track_peak'                        '0.722941'

========================== row from database ==========================
                                              'id'  194372
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Simon and Garfunkel/1968 - The Graduate (Original Sound Track Recording)__cifsf68.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  76
                                           'genre'  ifs-songwriter
                                        'filesize'  1850818
                                           'mtime'  1642256543
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos and 1968 (Original Sound Track Recording)__cifsf68 ifs songwriter
                                      'tag_artist'  Simon & Garfunkel
                                     'tag_release'  The Graduate
                                       'tag_title'  Mrs Robinson
                                             'bpm'  92.518
                                    'search_title'  'mrs':1 'robinson':2
                                   'search_artist'  'garfunkel':2 'simon':1
                                  'search_release'  'graduate':2 'the':1
                                     'search_rest'  '00singer':1 '1968':5 'and':4 'cifsf68':11,13 'eos':3 'ifs':14 'original':6,7 'recording':10,12 'songwriter':2 'sound':8 'track':9
                                    'search_combo'  '00singer':7 '1968':11 'and':10 'cifsf68':17,19 'eos':9 'garfunkel':4B 'graduate':6C 'ifs':20 'mrs':1A 'original':12,13 'recording':16,18 'robinson':2A 'simon':3B 'songwriter':8 'sound':14 'the':5C 'track':15
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', 'q-chart-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['acoustic', 'rock', 'singer songwriter', 'folk', 'classic rock']
                                        'tag_date'  1968
                                     'discogstags'  ['rock', 'folk, world, & country', 'stage & screen', 'folk rock', 'soundtrack']

============================== file details ==============================
                                           'mtime'  1642256542.5597281  (2022-01-15 15:22:22)
                             'size'  1850818