======================== unified (from filesystem) ========================
                                         'bitrate'  '159.985'
                                        'duration'  '282'
                                          'artist'  'Elton John'
                                     'text_people'  ''
                                         'release'  'Billboard Top 100 - 1984'
                                           'title'  "I Guess That's Why They Call It The Blues"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-3', '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-1']")
                                      'lastfmtags'  "['rock', 'singer songwriter', 'piano', 'pop', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '33'
                                      'tracktotal'  ''
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  ('electronic-generic or '
 'radio-unsorted;rock-cppex;ifs-songwriter-pop;ifs-songwriter-rock;set-pl-billboard')
                                             'bpm'  '119.900'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Billboard Top 100 - 1984'
'TBPM' (BPM (beats per minute))                     '119.900'
'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)                             '1984'
'TIT2' (Title/songname/content description)         "I Guess That's Why They Call It The Blues"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Elton John'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '33'
'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'                                   ['rock', 'singer songwriter', 'piano', 'pop', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+9.57 dB'
'TXXX:replaygain_track_peak'                        '0.249724'

========================== row from database ==========================
                                              'id'  1506124
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/033 - Elton John - I Guess That_s Why They Call It The Blues.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  282
                                           'genre'  electronic-generic or radio-unsorted;rock-cppex;ifs-songwriter-pop;ifs-songwriter-rock;set-pl-billboard
                                        'filesize'  5657910
                                           'mtime'  1642256356
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 033 That_s electronic generic or radio unsorted;rock cppex;ifs songwriter pop;ifs songwriter rock;set pl billboard
                                      'tag_artist'  Elton John
                                     'tag_release'  Billboard Top 100 - 1984
                                       'tag_title'  I Guess That's Why They Call It The Blues
                                             'bpm'  119.9
                                    'search_title'  'blues':11 'call':8 'guess':2 'i':1 'it':9 's':4 'that':3 'thats':5 'the':10 'they':7 'why':6
                                   'search_artist'  'elton':1 'john':2
                                  'search_release'  '100':3 '1984':4 'billboard':1 'top':2
                                     'search_rest'  '00poprockelectronic':1 'billboard':26 'cppex':12,14 'electronic':4 'generic':5 'ifs':13,15,18,20 'or':6 'pl':25 'pop':17,19 'radio':7 'rock':9,11,21,23 's':3 'set':22,24 'songwriter':16 'that':2 'unsorted':8,10
                                    'search_combo'  '00poprockelectronic':18 '100':16C '1984':17C 'billboard':14C,43 'blues':11A 'call':8A 'cppex':29,31 'electronic':21 'elton':12B 'generic':22 'guess':2A 'i':1A 'ifs':30,32,35,37 'it':9A 'john':13B 'or':23 'pl':42 'pop':34,36 'radio':24 'rock':26,28,38,40 's':4A,20 'set':39,41 'songwriter':33 'that':3A,19 'thats':5A 'the':10A 'they':7A 'top':15C 'unsorted':25,27 'why':6A
                                    'tag_tracknum'  33
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', '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-1']
                                      'lastfmtags'  ['rock', 'singer songwriter', 'piano', 'pop', 'classic rock']
                                        'tag_date'  1984
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256355.523459  (2022-01-15 15:19:15)
                             'size'  5657910