======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '186'
                                          'artist'  'Kelis'
                                     'text_people'  ''
                                         'release'  'The Neptunes Present-Clones-ADVANCE'
                                           'title'  'Milk Shake'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['rnb', 'female vocalists', 'hip hop', 'pop', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '113.010'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Neptunes Present-Clones-ADVANCE'
'TBPM' (BPM (beats per minute))                     '113.010'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Milk Shake'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kelis'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'female vocalists', 'hip hop', 'pop', 'soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.40 dB'
'TXXX:replaygain_track_peak'                        '0.529335'

========================== row from database ==========================
                                              'id'  1338103
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/2004/041 Kelis - Milkshake.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  186
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4489161
                                           'mtime'  1620567853
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Billboard Billboard Top100 2004 041 Milkshake hip hop or rnb or rap or turntablism
                                      'tag_artist'  Kelis
                                     'tag_release'  The Neptunes Present-Clones-ADVANCE
                                       'tag_title'  Milk Shake
                                             'bpm'  113.01
                                    'search_title'  'milk':1 'shake':2
                                   'search_artist'  'kelis':1
                                  'search_release'  'advance':5 'clones':4 'neptunes':2 'present':3 'presentclonesadvance':6 'the':1
                                     'search_rest'  '00poprockelectronic':1 '2004':4 'billboard':2 'hip':6 'hop':7 'milkshake':5 'or':8 'rap':10 'rnb':9 'top100':3 'turntablism':11
                                    'search_combo'  '00poprockelectronic':10 '2004':13 'advance':8C 'billboard':11 'clones':7C 'hip':15 'hop':16 'kelis':3B 'milk':1A 'milkshake':14 'neptunes':5C 'or':17 'present':6C 'presentclonesadvance':9C 'rap':19 'rnb':18 'shake':2A 'the':4C 'top100':12 'turntablism':20
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'female vocalists', 'hip hop', 'pop', 'soul']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620567852.7849705  (2021-05-09 15:44:12)
                             'size'  4489161