======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '281'
                                          'artist'  'Taco'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1'
                                           'title'  "Puttin' On the Ritz"
                                           'quals'  ("['Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'new wave', 'german', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '31'
                                      'tracktotal'  ''
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  ('electronic-generic or radio-unsorted;electronic-we-new wave or post '
 'punk;set-pl-billboard')
                                             'bpm'  '98.645'
                                             'key'  '7A'
                                        '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))                     '98.645'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'electronic-we-new wave or post punk',
 'set-pl-billboard']
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         "Puttin' On the Ritz"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Taco'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '31'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'german', 'pop', 'disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                        '+0.36 dB'
'TXXX:replaygain_track_peak'                        '0.652294'

========================== row from database ==========================
                                              'id'  1508385
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1983/031 - Taco - Puttin_ On the Ritz.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  281
                                           'genre'  electronic-generic or radio-unsorted;electronic-we-new wave or post punk;set-pl-billboard
                                        'filesize'  5625281
                                           'mtime'  1620385200
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 1983 031 Puttin_ electronic generic or radio unsorted;electronic we new wave or post punk;set pl billboard
                                      'tag_artist'  Taco
                                     'tag_release'  Billboard Top Pop Singles of 1
                                       'tag_title'  Puttin' On the Ritz
                                             'bpm'  98.645
                                    'search_title'  'on':3 'puttin':1,2 'ritz':5 'the':4
                                   'search_artist'  'taco':1
                                  'search_release'  '1':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 '1983':3 'billboard':22 'electronic':5,10,12 'generic':6 'new':14 'or':7 'pl':21 'post':16 'punk':17,19 'puttin':4 'radio':8 'set':18,20 'top100':2 'unsorted':9,11 'wave':15 'we':13
                                    'search_combo'  '00poprockelectronic':13 '1':12C '1983':15 'billboard':7C,34 'electronic':17,22,24 'generic':18 'new':26 'of':11C 'on':3A 'or':19 'pl':33 'pop':9C 'post':28 'punk':29,31 'puttin':1A,2A,16 'radio':20 'ritz':5A 'set':30,32 'singles':10C 'taco':6B 'the':4A 'top':8C 'top100':14 'unsorted':21,23 'wave':27 'we':25
                                    'tag_tracknum'  31
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'german', 'pop', 'disco']
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385200.4775622  (2021-05-07 13:00:00)
                             'size'  5625281