======================== unified (from filesystem) ========================
                                         'bitrate'  '76.458'
                                        'duration'  '205'
                                          'artist'  'Olavi Virta'
                                     'text_people'  ''
                                         'release'  'Dimitri - Suomi Masaa'
                                           'title'  'SYDÄNSURUJA'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['finnish', 'juhannus', 'suomi', 'iskelma', 'finnish tango', 'tango']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'loc-eur-northern-finland'
                                             'bpm'  '88.0'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Suomi Masaa'
'TBPM' (BPM (beats per minute))                     '88.0'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-northern-finland'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'SYDÄNSURUJA'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Olavi Virta'
'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'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:compatible_brands'                            'isomiso2mp41'
'TXXX:lastfmtags'                                   ['finnish', 'juhannus', 'suomi', 'iskelma', 'finnish tango', 'tango']
'TXXX:major_brand'                                  'isom'
'TXXX:minor_version'                                '512'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.45 dB'
'TXXX:replaygain_track_peak'                        '0.518298'
'TXXX:youtube'                                      'Up7nJC99gHY'

========================== row from database ==========================
                                              'id'  1477313
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/SuomiMusaa/Olavi Virta -SYDÄNSURUJA 1960-Up7nJC99gHY.mp3
                                         'working'  None
                                         'bitrate'  76
                                    'duration_sec'  205
                                           'genre'  loc-eur-northern-finland
                                        'filesize'  1962923
                                           'mtime'  1621628569
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm SuomiMusaa 1960 Up7nJC99gHY loc eur northern finland
                                      'tag_artist'  Olavi Virta
                                     'tag_release'  Dimitri - Suomi Masaa
                                       'tag_title'  SYDÄNSURUJA
                                             'bpm'  88.0
                                    'search_title'  'sydansuruja':1,2
                                   'search_artist'  'olavi':1 'virta':2
                                  'search_release'  'dimitri':1 'masaa':3 'suomi':2
                                     'search_rest'  '1960':2 'eur':5 'finland':7 'hy':12 'jc99g':11 'loc':4 'musaa':9 'northern':6 'suomi':8 'suomimusaa':1 'up7n':10 'up7njc99ghy':3
                                    'search_combo'  '1960':9 'dimitri':5C 'eur':12 'finland':14 'hy':19 'jc99g':18 'loc':11 'masaa':7C 'musaa':16 'northern':13 'olavi':3B 'suomi':6C,15 'suomimusaa':8 'sydansuruja':1A,2A 'up7n':17 'up7njc99ghy':10 'virta':4B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['finnish', 'juhannus', 'suomi', 'iskelma', 'finnish tango', 'tango']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628568.9375255  (2021-05-21 22:22:48)
                             'size'  1962923