======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '203'
                                          'artist'  'The Red Hot Chili Peppers'
                                     'text_people'  ''
                                         'release'  'The Red Hot Chili Peppers'
                                           'title'  "Why Don't You Love Me"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'alternative rock', 'funk rock', 'alternative', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  'rock-funk'
                                             'bpm'  '90.939'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Red Hot Chili Peppers'
'TBPM' (BPM (beats per minute))                     '90.939'
'TCON' (Content type, a.k.a. Genre)                 'rock-funk'
'TDRC' (Recording time)                             '1984'
'TIT2' (Title/songname/content description)         "Why Don't You Love Me"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Red Hot Chili Peppers'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', 'alternative rock', 'funk rock', 'alternative', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.682719'

========================== row from database ==========================
                                              'id'  1508055
                                            'path'  /data/Music/Bulk/00poprockelectronic/Red Hot Chilli Peppers/The Red Hot Chili Peppers/Red Hot Chili Peppers, the - Why Don_t You Love Me.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  203
                                           'genre'  rock-funk
                                        'filesize'  3263298
                                           'mtime'  1630253043
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Chilli Peppers, the Don_t rock funk
                                      'tag_artist'  The Red Hot Chili Peppers
                                     'tag_release'  The Red Hot Chili Peppers
                                       'tag_title'  Why Don't You Love Me
                                             'bpm'  90.939
                                    'search_title'  'don':2 'dont':4 'love':6 'me':7 't':3 'why':1 'you':5
                                   'search_artist'  'chili':4 'hot':3 'peppers':5 'red':2 'the':1
                                  'search_release'  'chili':4 'hot':3 'peppers':5 'red':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 'chilli':2 'don':6 'funk':9 'peppers':3,4 'rock':8 't':7 'the':5
                                    'search_combo'  '00poprockelectronic':18 'chili':11B,16C 'chilli':19 'don':2A,23 'dont':4A 'funk':26 'hot':10B,15C 'love':6A 'me':7A 'peppers':12B,17C,20,21 'red':9B,14C 'rock':25 't':3A,24 'the':8B,13C,22 'why':1A 'you':5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'alternative rock', 'funk rock', 'alternative', 'funk']
                                        'tag_date'  1984
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630253042.879729  (2021-08-29 18:04:02)
                             'size'  3263298