======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '258'
                                          'artist'  'Milli Vanilli'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1'
                                           'title'  'Blame It On the Rain'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-2', 'Q-LOCALNESS-2', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'german', 'hip hop', 'pop', 'rnb']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  ('electronic-generic or radio-unsorted;hip hop or rnb or rap or '
 'turntablism;set-pl-billboard')
                                             'bpm'  '95.124'
                                             'key'  '9A'
                                        '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))                     '95.124'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'hip hop or rnb or rap or turntablism',
 'set-pl-billboard']
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Blame It On the Rain'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Milli Vanilli'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '21'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'german', 'hip hop', 'pop', 'rnb']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.91 dB'
'TXXX:replaygain_track_peak'                        '0.712294'

========================== row from database ==========================
                                              'id'  1344364
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1989/021 - Milli Vanilli - Blame It On the Rain.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  258
                                           'genre'  electronic-generic or radio-unsorted;hip hop or rnb or rap or turntablism;set-pl-billboard
                                        'filesize'  5176791
                                           'mtime'  1620533475
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 1989 021 electronic generic or radio unsorted;hip hop or rnb or rap or turntablism;set pl billboard
                                      'tag_artist'  Milli Vanilli
                                     'tag_release'  Billboard Top Pop Singles of 1
                                       'tag_title'  Blame It On the Rain
                                             'bpm'  95.124
                                    'search_title'  'blame':1 'it':2 'on':3 'rain':5 'the':4
                                   'search_artist'  'milli':1 'vanilli':2
                                  'search_release'  '1':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 '1989':3 'billboard':20 'electronic':4 'generic':5 'hip':9,11 'hop':12 'or':6 'pl':19 'radio':7 'rap':14 'rnb':13 'set':16,18 'top100':2 'turntablism':15,17 'unsorted':8,10
                                    'search_combo'  '00poprockelectronic':14 '1':13C '1989':16 'billboard':8C,33 'blame':1A 'electronic':17 'generic':18 'hip':22,24 'hop':25 'it':2A 'milli':6B 'of':12C 'on':3A 'or':19 'pl':32 'pop':10C 'radio':20 'rain':5A 'rap':27 'rnb':26 'set':29,31 'singles':11C 'the':4A 'top':9C 'top100':15 'turntablism':28,30 'unsorted':21,23 'vanilli':7B
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', '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-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'german', 'hip hop', 'pop', 'rnb']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533475.1313076  (2021-05-09 06:11:15)
                             'size'  5176791