======================== unified (from filesystem) ========================
                                         'bitrate'  '114.681'
                                        'duration'  '203'
                                          'artist'  'Kathy Stack'
                                     'text_people'  ''
                                         'release'  'Dimitri - PopTropic'
                                           'title'  'Summer Wind'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '143.6'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - PopTropic'
'TBPM' (BPM (beats per minute))                     '143.6'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TIT2' (Title/songname/content description)         'Summer Wind'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kathy Stack'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.95 dB'
'TXXX:replaygain_track_peak'                        '0.436023'
'TXXX:youtube'                                      'Uy5K7QhmKJw'

========================== row from database ==========================
                                              'id'  1477596
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/PopTropic/Kathy Stack - Summer Wind-Uy5K7QhmKJw.mp3
                                         'working'  None
                                         'bitrate'  114
                                    'duration_sec'  203
                                           'genre'  ifs-songwriter
                                        'filesize'  2914782
                                           'mtime'  1637329495
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Uy5K7QhmKJw ifs songwriter
                                      'tag_artist'  Kathy Stack
                                     'tag_release'  Dimitri - PopTropic
                                       'tag_title'  Summer Wind
                                             'bpm'  143.6
                                    'search_title'  'summer':1 'wind':2
                                   'search_artist'  'kathy':1 'stack':2
                                  'search_release'  'dimitri':1 'pop':3 'poptropic':2 'tropic':4
                                     'search_rest'  'ifs':2 'kjw':5 'songwriter':3 'uy5k7qhm':4 'uy5k7qhmkjw':1
                                    'search_combo'  'dimitri':5C 'ifs':10 'kathy':3B 'kjw':13 'pop':7C 'poptropic':6C 'songwriter':11 'stack':4B 'summer':1A 'tropic':8C 'uy5k7qhm':12 'uy5k7qhmkjw':9 'wind':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637329495.2198434  (2021-11-19 14:44:55)
                             'size'  2914782