======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '244'
                                          'artist'  'Blu Cantrell'
                                     'text_people'  ''
                                         'release'  'So Blu'
                                           'title'  "Hit 'em Up Style (Oops!)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['rnb', 'female vocalists', 'soul', 'pop', 'hip hop']"
                                     'discogstags'  "['hip hop', 'funk / soul', 'rnb/swing', 'rhythm & blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism;set-pl-billboard'
                                             'bpm'  '89.930'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'So Blu'
'TBPM' (BPM (beats per minute))                     '89.930'
'TCON' (Content type, a.k.a. Genre)                 ['hip hop or rnb or rap or turntablism', 'set-pl-billboard']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         "Hit 'em Up Style (Oops!)"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blu Cantrell'
'TRCK' (Track number/Position in set)               '2'
'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', 'funk / soul', 'rnb/swing', 'rhythm & blues']
'TXXX:lastfmtags'                                   ['rnb', 'female vocalists', 'soul', 'pop', 'hip hop']
'TXXX:original release date'                        ['2001', '2001']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.17 dB'
'TXXX:replaygain_track_peak'                        '0.520524'

========================== row from database ==========================
                                              'id'  1498610
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Blu Cantrell__So Blu__02 - Hit _em Up Style (Oops!).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  244
                                           'genre'  hip hop or rnb or rap or turntablism;set-pl-billboard
                                        'filesize'  5861202
                                           'mtime'  1620535767
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Cantrell__So Blu__02 _em hip hop or rnb or rap or turntablism;set pl billboard
                                      'tag_artist'  Blu Cantrell
                                     'tag_release'  So Blu
                                       'tag_title'  Hit 'em Up Style (Oops!)
                                             'bpm'  89.93
                                    'search_title'  'em':2,3 'hit':1 'oops':6,7 'style':5 'up':4
                                   'search_artist'  'blu':1 'cantrell':2
                                  'search_release'  'blu':2 'so':1
                                     'search_rest'  '00poprockelectronic':1 '02':10 'billboard':22 'blu':9 'cantrell':7 'em':11 'files':5,6 'hip':12 'hop':13 'loose':3,4 'or':14 'pl':21 'rap':16 'rnb':15 'set':18,20 'so':8 'turntablism':17,19 'unsorted':2
                                    'search_combo'  '00poprockelectronic':12 '02':21 'billboard':33 'blu':8B,11C,20 'cantrell':9B,18 'em':2A,3A,22 'files':16,17 'hip':23 'hit':1A 'hop':24 'loose':14,15 'oops':6A,7A 'or':25 'pl':32 'rap':27 'rnb':26 'set':29,31 'so':10C,19 'style':5A 'turntablism':28,30 'unsorted':13 'up':4A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', '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-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'female vocalists', 'soul', 'pop', 'hip hop']
                                        'tag_date'  2001
                                     'discogstags'  ['hip hop', 'funk / soul', 'rnb/swing', 'rhythm & blues']

============================== file details ==============================
                                           'mtime'  1620535766.5327675  (2021-05-09 06:49:26)
                             'size'  5861202