======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '276'
                                          'artist'  "Po' Girl"
                                     'text_people'  ''
                                         'release'  'Follow your bliss'
                                           'title'  'When We Are Love'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['americana', 'female vocalists', 'acoustic', 'alt country', 'folk', 'singer "
 "songwriter']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '108.239'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Follow your bliss'
'TBPM' (BPM (beats per minute))                     '108.239'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'When We Are Love'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               "Po' Girl"
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['americana',
 'female vocalists',
 'acoustic',
 'alt country',
 'folk',
 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.433907'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N14Q208099364V68A0D84198B3C60418869484BABE4AFBC1P7')

========================== row from database ==========================
                                              'id'  1531163
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Po_ Girl/follow your bliss/03 po_ girl when we are love.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  276
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  8860941
                                           'mtime'  1636400402
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Po_ follow 03 po_ girl when we are love ifs songwriter folk
                                      'tag_artist'  Po' Girl
                                     'tag_release'  Follow your bliss
                                       'tag_title'  When We Are Love
                                             'bpm'  108.239
                                    'search_title'  'are':3 'love':4 'we':2 'when':1
                                   'search_artist'  'girl':3 'po':1,2
                                  'search_release'  'bliss':3 'follow':1 'your':2
                                     'search_rest'  '00singer':1 'are':9 'eos':3 'folk':12 'follow':5 'girl':6 'ifs':11 'love':10 'po':4 'songwriter':2 'we':8 'when':7
                                    'search_combo'  '00singer':11 'are':3A,19 'bliss':10C 'eos':13 'folk':22 'follow':8C,15 'girl':7B,16 'ifs':21 'love':4A,20 'po':5B,6B,14 'songwriter':12 'we':2A,18 'when':1A,17 'your':9C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['americana', 'female vocalists', 'acoustic', 'alt country', 'folk', 'singer songwriter']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400402.4843132  (2021-11-08 20:40:02)
                             'size'  8860941