======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '293'
                                          'artist'  'Red Hot'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Soul to Squeeze'
                                           'quals'  ("['Q-UNU-1', 'Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-3', 'Q-HHRNBTT-2', "
 "'Q-OLDST-2', '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-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rockabilly', 'blues', 'reggae', 'roots', 'roots reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '88.284'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '88.284'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TIT2' (Title/songname/content description)         'Soul to Squeeze'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Red Hot'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rockabilly', 'blues', 'reggae', 'roots', 'roots reggae']
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.30 dB'
'TXXX:replaygain_track_peak'                        '0.465759'

========================== row from database ==========================
                                              'id'  1348345
                                            'path'  /data/Music/Bulk/00poprockelectronic/Red Hot Chilli Peppers/Red Hot Chili Peppers - Soul to Squeeze.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  293
                                           'genre'  prerock-jb-blues
                                        'filesize'  4689920
                                           'mtime'  1620403787
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Chilli Peppers Chili Peppers prerock jb blues
                                      'tag_artist'  Red Hot
                                     'tag_release'  None
                                       'tag_title'  Soul to Squeeze
                                             'bpm'  88.284
                                    'search_title'  'soul':1 'squeeze':3 'to':2
                                   'search_artist'  'hot':2 'red':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'blues':7 'chili':4 'chilli':2 'jb':6 'peppers':3 'prerock':5
                                    'search_combo'  '00poprockelectronic':6 'blues':12 'chili':9 'chilli':7 'hot':5B 'jb':11 'peppers':8 'prerock':10 'red':4B 'soul':1A 'squeeze':3A 'to':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rockabilly', 'blues', 'reggae', 'roots', 'roots reggae']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620403787.2214515  (2021-05-07 18:09:47)
                             'size'  4689920