======================== unified (from filesystem) ========================
                                         'bitrate'  '273.326'
                                        'duration'  '102'
                                          'artist'  'Maniac'
                                     'text_people'  ''
                                         'release'  'Rinse 06: Mixed by Plastician'
                                           'title'  'Wreckage'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['speed metal', 'grime', 'heavy metal', 'dubstep', 'thrash metal']"
                                     'discogstags'  "['beatdown', 'breaks', 'electronic', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '98.358'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Rinse 06: Mixed by Plastician'
'TBPM' (BPM (beats per minute))                     '98.358'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Wreckage'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Maniac'
'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'                                        '2'
'TXXX:discogstags'                                  ['beatdown', 'breaks', 'electronic', 'hip hop']
'TXXX:lastfmtags'                                   ['speed metal', 'grime', 'heavy metal', 'dubstep', 'thrash metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.47 dB'
'TXXX:replaygain_track_peak'                        '0.515662'

========================== row from database ==========================
                                              'id'  1353240
                                            'path'  /data/Music/Bulk/00poprockelectronic/Rinse 06; Mixed by Plastician/07 Maniac - Wreckage.mp3
                                         'working'  None
                                         'bitrate'  273
                                    'duration_sec'  102
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  3520080
                                           'mtime'  1620571878
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 06; 07 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Maniac
                                     'tag_release'  Rinse 06: Mixed by Plastician
                                       'tag_title'  Wreckage
                                             'bpm'  98.358
                                    'search_title'  'wreckage':1
                                   'search_artist'  'maniac':1
                                  'search_release'  '06':2,3 'by':5 'mixed':4 'plastician':6 'rinse':1
                                     'search_rest'  '00poprockelectronic':1 '06':2,3 'hip':4 'hop':5 'or':6 'rap':8 'rnb':7 'turntablism':9
                                    'search_combo'  '00poprockelectronic':9 '06':4C,5C,10,11 'by':7C 'hip':12 'hop':13 'maniac':2B 'mixed':6C 'or':14 'plastician':8C 'rap':16 'rinse':3C 'rnb':15 'turntablism':17 'wreckage':1A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['speed metal', 'grime', 'heavy metal', 'dubstep', 'thrash metal']
                                        'tag_date'  2008
                                     'discogstags'  ['beatdown', 'breaks', 'electronic', 'hip hop']

============================== file details ==============================
                                           'mtime'  1620571878.0295131  (2021-05-09 16:51:18)
                             'size'  3520080