======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '198'
                                          'artist'  'Cut Chemist meets Shortkut'
                                     'text_people'  ''
                                         'release'  'Live at the Futureprimitive So'
                                           'title'  'Chuck D Counts Down to Armaged'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-2', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['united states', 'beats', 'turntablism', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '144.233'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Live at the Futureprimitive So'
'TBPM' (BPM (beats per minute))                     '144.233'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Chuck D Counts Down to Armaged'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cut Chemist meets Shortkut'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['united states', 'beats', 'turntablism', 'hip hop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.05 dB'
'TXXX:replaygain_track_peak'                        '0.785940'

========================== row from database ==========================
                                              'id'  720417
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/08 - Chuck D Counts Down to Armageddon.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  198
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  3979457
                                           'mtime'  1620586565
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 08 Armageddon hip hop rnb rap turntablism
                                      'tag_artist'  Cut Chemist meets Shortkut
                                     'tag_release'  Live at the Futureprimitive So
                                       'tag_title'  Chuck D Counts Down to Armaged
                                             'bpm'  144.233
                                    'search_title'  'armaged':6 'chuck':1 'counts':3 'd':2 'down':4 'to':5
                                   'search_artist'  'chemist':2 'cut':1 'meets':3 'shortkut':4
                                  'search_release'  'at':2 'futureprimitive':4 'live':1 'so':5 'the':3
                                     'search_rest'  'armageddon':5 'hip':6 'hiphop':1 'hop':7 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'armaged':6A 'armageddon':20 'at':12C 'chemist':8B 'chuck':1A 'counts':3A 'cut':7B 'd':2A 'down':4A 'futureprimitive':14C 'hip':21 'hiphop':16 'hop':22 'live':11C 'meets':9B 'rap':17 'rnb':18 'shortkut':10B 'so':15C 'the':13C 'to':5A 'turntablism':19
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['united states', 'beats', 'turntablism', 'hip hop']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586565.443768  (2021-05-09 20:56:05)
                             'size'  3979457