======================== unified (from filesystem) ========================
                                         'bitrate'  '191.983'
                                        'duration'  '288'
                                          'artist'  'Immortal Technique'
                                     'text_people'  ''
                                         'release'  'Revolutionary, Volume 2'
                                           'title'  ('Peruvian Cocaine (feat. C-Rayz Walz, Pumpkinhead, Loucipher, Tonedeff, '
 'Diabolic & Poison Pen)')
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['underground hip hop', 'political', 'hip hop', 'rap']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '86.070'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Revolutionary, Volume 2'
'TBPM' (BPM (beats per minute))                     '86.070'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TIT2' (Title/songname/content description)         ('Peruvian Cocaine (feat. C-Rayz Walz, Pumpkinhead, Loucipher, Tonedeff, '
 'Diabolic & Poison Pen)')
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Immortal Technique'
'TRCK' (Track number/Position in set)               '3'
'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:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['underground hip hop', 'political', 'hip hop', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.72 dB'
'TXXX:replaygain_track_peak'                        '0.459226'

========================== row from database ==========================
                                              'id'  1334484
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/03-immortal_technique-peruvian_cocaine-cms.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  288
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  6932686
                                           'mtime'  1620572557
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 03 immortal_technique peruvian_cocaine cms hip hop rnb rap turntablism
                                      'tag_artist'  Immortal Technique
                                     'tag_release'  Revolutionary, Volume 2
                                       'tag_title'  Peruvian Cocaine (feat. C-Rayz Walz, Pumpkinhead, Loucipher, Tonedeff, Diabolic & Poison Pen)
                                             'bpm'  86.07
                                    'search_title'  'c':5 'cocaine':2 'crayz':7 'diabolic':16 'feat':3,4 'loucipher':12,13 'pen':18,19 'peruvian':1 'poison':17 'pumpkinhead':10,11 'rayz':6 'tonedeff':14,15 'walz':8,9
                                   'search_artist'  'immortal':1 'technique':2
                                  'search_release'  '2':4 'revolutionary':1,2 'volume':3
                                     'search_rest'  '00poprockelectronic':1 'cms':11 'cocaine':10 'files':5,6 'hip':12 'hop':13 'immortal':7 'loose':3,4 'peruvian':9 'rap':15 'rnb':14 'technique':8 'turntablism':16 'unsorted':2
                                    'search_combo'  '00poprockelectronic':26 '2':25C 'c':5A 'cms':36 'cocaine':2A,35 'crayz':7A 'diabolic':16A 'feat':3A,4A 'files':30,31 'hip':37 'hop':38 'immortal':20B,32 'loose':28,29 'loucipher':12A,13A 'pen':18A,19A 'peruvian':1A,34 'poison':17A 'pumpkinhead':10A,11A 'rap':40 'rayz':6A 'revolutionary':22C,23C 'rnb':39 'technique':21B,33 'tonedeff':14A,15A 'turntablism':41 'unsorted':27 'volume':24C 'walz':8A,9A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['underground hip hop', 'political', 'hip hop', 'rap']
                                        'tag_date'  
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620572556.522648  (2021-05-09 17:02:36)
                             'size'  6932686