======================== unified (from filesystem) ========================
                                         'bitrate'  '281.202'
                                        'duration'  '408'
                                          'artist'  'Type O Negative'
                                     'text_people'  ''
                                         'release'  'October Rust'
                                           'title'  'Red Water (Christmas Mourning)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['metal', 'gothic', 'doom metal', 'gothic rock', 'gothic metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'eid-goth or gothrock-gothrock;set-th-christmas'
                                             'bpm'  '95.709'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00001387 0000118A 0000649D'
'COMM:iTunNORM:eng'                                 (' 00001387 0000118A 0000649D 00006E55 0005BC70 00057BFD 00008000 00008000 '
 '00015302 000040B7')
'TALB' (Album/Movie/Show title)                     'October Rust'
'TBPM' (BPM (beats per minute))                     '95.709'
'TCON' (Content type, a.k.a. Genre)                 ['eid-goth or gothrock-gothrock', 'set-th-christmas']
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Red Water (Christmas Mourning)'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Type O Negative'
'TRCK' (Track number/Position in set)               '6'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 (beta)'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['metal', 'gothic', 'doom metal', 'gothic rock', 'gothic metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.14 dB'
'TXXX:replaygain_track_peak'                        '0.396707'

========================== row from database ==========================
                                              'id'  272201
                                            'path'  /data/Music/Bulk/00dwimp/Type O Negative/Type O Negative - October Rust/06. Type O Negative - Red Water (Christmas Mourning).mp3
                                         'working'  None
                                         'bitrate'  281
                                    'duration_sec'  408
                                           'genre'  eid-goth or gothrock-gothrock;set-th-christmas
                                        'filesize'  14376009
                                           'mtime'  1620300868
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 06. eid goth or gothrock gothrock;set th christmas
                                      'tag_artist'  Type O Negative
                                     'tag_release'  October Rust
                                       'tag_title'  Red Water (Christmas Mourning)
                                             'bpm'  95.709
                                    'search_title'  'christmas':3,4 'mourning':5,6 'red':1 'water':2
                                   'search_artist'  'negative':3 'o':2 'type':1
                                  'search_release'  'october':1 'rust':2
                                     'search_rest'  '00dwimp':1 '06':2,3 'christmas':13 'eid':4 'goth':5 'gothrock':7,8,10 'or':6 'set':9,11 'th':12
                                    'search_combo'  '00dwimp':12 '06':13,14 'christmas':3A,4A,24 'eid':15 'goth':16 'gothrock':18,19,21 'mourning':5A,6A 'negative':9B 'o':8B 'october':10C 'or':17 'red':1A 'rust':11C 'set':20,22 'th':23 'type':7B 'water':2A
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['metal', 'gothic', 'doom metal', 'gothic rock', 'gothic metal']
                                        'tag_date'  1996
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620300867.7354083  (2021-05-06 13:34:27)
                             'size'  14376009