======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '225'
                                          'artist'  'Player'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1'
                                           'title'  "This Time I'm in It for Love"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soft rock', '70s', 'rock', 'classic rock', 'pop']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '58'
                                      'tracktotal'  ''
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-billboard'
                                             'bpm'  '103.062'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Billboard'
'TALB' (Album/Movie/Show title)                     'Billboard Top Pop Singles of 1'
'TBPM' (BPM (beats per minute))                     '103.062'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1978'
'TIT2' (Title/songname/content description)         "This Time I'm in It for Love"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Player'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '58'
'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'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['soft rock', '70s', 'rock', 'classic rock', '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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.30 dB'
'TXXX:replaygain_track_peak'                        '0.787986'

========================== row from database ==========================
                                              'id'  1504357
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1978/058 - Player - This Time I_m in It for Love.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  225
                                           'genre'  electronic-generic or radio-unsorted;set-pl-billboard
                                        'filesize'  4513236
                                           'mtime'  1647348659
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 1978 058 I_m electronic generic radio unsorted;set pl billboard
                                      'tag_artist'  Player
                                     'tag_release'  Billboard Top Pop Singles of 1
                                       'tag_title'  This Time I'm in It for Love
                                             'bpm'  103.062
                                    'search_title'  'for':8 'i':3 'im':5 'in':6 'it':7 'love':9 'm':4 'this':1 'time':2
                                   'search_artist'  'player':1
                                  'search_release'  '1':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 '1978':3 'billboard':14 'electronic':6 'generic':7 'i':4 'm':5 'pl':13 'radio':8 'set':10,12 'top100':2 'unsorted':9,11
                                    'search_combo'  '00poprockelectronic':17 '1':16C '1978':19 'billboard':11C,30 'electronic':22 'for':8A 'generic':23 'i':3A,20 'im':5A 'in':6A 'it':7A 'love':9A 'm':4A,21 'of':15C 'pl':29 'player':10B 'pop':13C 'radio':24 'set':26,28 'singles':14C 'this':1A 'time':2A 'top':12C 'top100':18 'unsorted':25,27
                                    'tag_tracknum'  58
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['soft rock', '70s', 'rock', 'classic rock', 'pop']
                                        'tag_date'  1978
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1647348658.9901893  (2022-03-15 13:50:58)
                             'size'  4513236