======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '253'
                                          'artist'  'Katie Melua'
                                     'text_people'  ''
                                         'release'  'The Closest Thing to Crazy'
                                           'title'  'The Closest Thing to Crazy'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'jazz', 'female vocalists', 'pop', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-pop;ifs-songwriter-pop'
                                             'bpm'  '129.150'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Closest Thing to Crazy'
'TBPM' (BPM (beats per minute))                     '129.150'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-pop', 'ifs-songwriter-pop']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'The Closest Thing to Crazy'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Katie Melua'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'jazz', 'female vocalists', 'pop', 'singer songwriter']
'TXXX:original release date'                        ['2003', '2003']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.72 dB'
'TXXX:replaygain_track_peak'                        '0.493089'

========================== row from database ==========================
                                              'id'  674725
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Katie Melua/Katie Melua - The Closest Thing To Crazy.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  253
                                           'genre'  prerock-jb-jazz-pop;ifs-songwriter-pop
                                        'filesize'  6091831
                                           'mtime'  1620530680
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country To prerock jb jazz pop;ifs songwriter pop
                                      'tag_artist'  Katie Melua
                                     'tag_release'  The Closest Thing to Crazy
                                       'tag_title'  The Closest Thing to Crazy
                                             'bpm'  129.15
                                    'search_title'  'closest':2 'crazy':5 'the':1 'thing':3 'to':4
                                   'search_artist'  'katie':1 'melua':2
                                  'search_release'  'closest':2 'crazy':5 'the':1 'thing':3 'to':4
                                     'search_rest'  'country':4 'exotica':2 'ifs':9,11 'jazz':1 'jb':7 'oldies':3 'pop':8,10,13 'prerock':6 'songwriter':12 'to':5
                                    'search_combo'  'closest':2A,9C 'country':16 'crazy':5A,12C 'exotica':14 'ifs':21,23 'jazz':13 'jb':19 'katie':6B 'melua':7B 'oldies':15 'pop':20,22,25 'prerock':18 'songwriter':24 'the':1A,8C 'thing':3A,10C 'to':4A,11C,17
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'jazz', 'female vocalists', 'pop', 'singer songwriter']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620530679.7712107  (2021-05-09 05:24:39)
                             'size'  6091831