======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '199'
                                          'artist'  'John Lennon'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1970'
                                           'title'  'Instant Karma (We All Shine on'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'singer songwriter', 'pop', 'british', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '34'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  ('electronic-generic or '
 'radio-unsorted;rock-cppex;ifs-songwriter-pop;ifs-songwriter-rock;set-pl-billboard')
                                             'bpm'  '119.617'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Billboard'
'TALB' (Album/Movie/Show title)                     'Billboard Top Pop Singles of 1970'
'TBPM' (BPM (beats per minute))                     '119.617'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'rock-cppex',
 'ifs-songwriter-pop',
 'ifs-songwriter-rock',
 'set-pl-billboard']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Instant Karma (We All Shine on'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'John Lennon'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '34'
'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'                                   ['rock', 'singer songwriter', 'pop', 'british', 'classic rock']
'TXXX:q-bass'                                       '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.56 dB'
'TXXX:replaygain_track_peak'                        '0.383135'

========================== row from database ==========================
                                              'id'  1306110
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1970/034 - John Lennon - Instant Karma (We All Shine on).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  199
                                           'genre'  electronic-generic or radio-unsorted;rock-cppex;ifs-songwriter-pop;ifs-songwriter-rock;set-pl-billboard
                                        'filesize'  3997265
                                           'mtime'  1642256361
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 034 on) electronic generic or radio unsorted;rock cppex;ifs songwriter pop;ifs songwriter rock;set pl billboard
                                      'tag_artist'  John Lennon
                                     'tag_release'  Billboard Top Pop Singles of 1970
                                       'tag_title'  Instant Karma (We All Shine on
                                             'bpm'  119.617
                                    'search_title'  'all':5 'instant':1 'karma':2 'on':7 'shine':6 'we':3,4
                                   'search_artist'  'john':1 'lennon':2
                                  'search_release'  '1970':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 'billboard':27 'cppex':13,15 'electronic':5 'generic':6 'ifs':14,16,19,21 'on':3,4 'or':7 'pl':26 'pop':18,20 'radio':8 'rock':10,12,22,24 'set':23,25 'songwriter':17 'top100':2 'unsorted':9,11
                                    'search_combo'  '00poprockelectronic':16 '1970':15C 'all':5A 'billboard':10C,42 'cppex':28,30 'electronic':20 'generic':21 'ifs':29,31,34,36 'instant':1A 'john':8B 'karma':2A 'lennon':9B 'of':14C 'on':7A,18,19 'or':22 'pl':41 'pop':12C,33,35 'radio':23 'rock':25,27,37,39 'set':38,40 'shine':6A 'singles':13C 'songwriter':32 'top':11C 'top100':17 'unsorted':24,26 'we':3A,4A
                                    'tag_tracknum'  34
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  ['rock', 'singer songwriter', 'pop', 'british', 'classic rock']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256360.9494977  (2022-01-15 15:19:20)
                             'size'  3997265