======================== unified (from filesystem) ========================
                                         'bitrate'  '244.56'
                                        'duration'  '313'
                                          'artist'  'D12'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Ain't Nuttin' But Music"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-4', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-1', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['gangsta rap', 'eminem', 'hip hop', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'entertaining-why do i keep this;hip hop or rnb or rap or turntablism'
                                             'bpm'  '99.080'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '99.080'
'TCON' (Content type, a.k.a. Genre)                 ['entertaining-why do i keep this', 'hip hop or rnb or rap or turntablism']
'TIT2' (Title/songname/content description)         "Ain't Nuttin' But Music"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'D12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '4'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['gangsta rap', 'eminem', 'hip hop', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.71 dB'
'TXXX:replaygain_track_peak'                        '0.456449'

========================== row from database ==========================
                                              'id'  1517196
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/D12 - Ain_t Nuttin_ But Music.wma.mp3
                                         'working'  None
                                         'bitrate'  244
                                    'duration_sec'  313
                                           'genre'  entertaining-why do i keep this;hip hop or rnb or rap or turntablism
                                        'filesize'  9598070
                                           'mtime'  1620558397
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Ain_t Nuttin_ Music.wma entertaining why do keep this;hip hop or rnb or rap or turntablism
                                      'tag_artist'  D12
                                     'tag_release'  None
                                       'tag_title'  Ain't Nuttin' But Music
                                             'bpm'  99.08
                                    'search_title'  'ain':1 'aint':3 'but':6 'music':7 'nuttin':4,5 't':2
                                   'search_artist'  'd12':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'ain':5 'dance':3 'do':13 'entertaining':11 'generic':2 'hip':16,18 'hop':19 'keep':14 'music':8 'musicwma':10 'nuttin':7 'or':20 'rap':22 'rnb':21 't':6 'this':15,17 'trapbeat':4 'turntablism':23 'why':12 'wma':9
                                    'search_combo'  '00poprockelectronic':9 'ain':1A,13 'aint':3A 'but':6A 'd12':8B 'dance':11 'do':21 'entertaining':19 'generic':10 'hip':24,26 'hop':27 'keep':22 'music':7A,16 'musicwma':18 'nuttin':4A,5A,15 'or':28 'rap':30 'rnb':29 't':2A,14 'this':23,25 'trapbeat':12 'turntablism':31 'why':20 'wma':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-4', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-1', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['gangsta rap', 'eminem', 'hip hop', 'rap']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620558397.003543  (2021-05-09 13:06:37)
                             'size'  9598070