======================== unified (from filesystem) ========================
                                         'bitrate'  '160.351'
                                        'duration'  '326'
                                          'artist'  'The Wave Pictures'
                                     'text_people'  ''
                                         'release'  'Strange Fruits For David'
                                           'title'  'Puncture My Pride'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'indie pop', 'british', 'rock', 'anti-folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-unsorted'
                                             'bpm'  '123.708'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Strange Fruits For David'
'TBPM' (BPM (beats per minute))                     '123.708'
'TCON' (Content type, a.k.a. Genre)                 'ifs-unsorted'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Puncture My Pride'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Wave Pictures'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'british', 'rock', 'anti-folk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                        '+0.59 dB'
'TXXX:replaygain_track_peak'                        '0.384418'

========================== row from database ==========================
                                              'id'  1344223
                                            'path'  /data/Music/Bulk/00poprockelectronic/B-Sides/0417 Wave Pictures - Puncture My Pride (B).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  326
                                           'genre'  ifs-unsorted
                                        'filesize'  6546107
                                           'mtime'  1620567528
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic B Sides 0417 (B) ifs unsorted
                                      'tag_artist'  The Wave Pictures
                                     'tag_release'  Strange Fruits For David
                                       'tag_title'  Puncture My Pride
                                             'bpm'  123.708
                                    'search_title'  'my':2 'pride':3 'puncture':1
                                   'search_artist'  'pictures':3 'the':1 'wave':2
                                  'search_release'  'david':4 'for':3 'fruits':2 'strange':1
                                     'search_rest'  '00poprockelectronic':1 '0417':4 'b':2,5 'ifs':6 'sides':3 'unsorted':7
                                    'search_combo'  '00poprockelectronic':11 '0417':14 'b':12,15 'david':10C 'for':9C 'fruits':8C 'ifs':16 'my':2A 'pictures':6B 'pride':3A 'puncture':1A 'sides':13 'strange':7C 'the':4B 'unsorted':17 'wave':5B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'british', 'rock', 'anti-folk']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620567528.4303727  (2021-05-09 15:38:48)
                             'size'  6546107