======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '295'
                                          'artist'  'Blackthorn'
                                     'text_people'  ''
                                         'release'  "Nil 'na La"
                                           'title'  'Kilkelly, Ireland'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['gothic metal', 'symphonic metal', 'death metal', 'russian', 'black metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '32'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-eur'
                                             'bpm'  '128.577'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Nil 'na La"
'TBPM' (BPM (beats per minute))                     '128.577'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Kilkelly, Ireland'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blackthorn'
'TRCK' (Track number/Position in set)               '32'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['gothic metal', 'symphonic metal', 'death metal', 'russian', 'black metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.63 dB'
'TXXX:replaygain_track_peak'                        '0.564142'

========================== row from database ==========================
                                              'id'  796308
                                            'path'  /data/Music/Bulk/00localcharacter/Blackthorn - Kilkelly, Ireland.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  295
                                           'genre'  loc-eur
                                        'filesize'  4736592
                                           'mtime'  1620535791
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter loc eur
                                      'tag_artist'  Blackthorn
                                     'tag_release'  Nil 'na La
                                       'tag_title'  Kilkelly, Ireland
                                             'bpm'  128.577
                                    'search_title'  'ireland':3 'kilkelly':1,2
                                   'search_artist'  'blackthorn':1
                                  'search_release'  'la':4 'na':2,3 'nil':1
                                     'search_rest'  'eur':2 'loc':1
                                    'search_combo'  'blackthorn':4B 'eur':10 'ireland':3A 'kilkelly':1A,2A 'la':8C 'loc':9 'na':6C,7C 'nil':5C
                                    'tag_tracknum'  32
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['gothic metal', 'symphonic metal', 'death metal', 'russian', 'black metal']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620535790.6989615  (2021-05-09 06:49:50)
                             'size'  4736592