======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '224'
                                          'artist'  'Nil'
                                     'text_people'  ''
                                         'release'  'French Attack!'
                                           'title'  'Comme un printemps (Busy P Edi'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['czech', 'fav', 'japanese', 'rock', 'progressive rock', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;loc-asia-japan;loc-asia-japan-jrock;rock-cppex'
                                             'bpm'  '119.900'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'French Attack!'
'TBPM' (BPM (beats per minute))                     '119.900'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'loc-asia-japan', 'loc-asia-japan-jrock', 'rock-cppex']
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Comme un printemps (Busy P Edi'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nil'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['czech', 'fav', 'japanese', 'rock', 'progressive rock', 'j rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.79 dB'
'TXXX:replaygain_track_peak'                        '0.718990'

========================== row from database ==========================
                                              'id'  1301515
                                            'path'  /data/Music/Bulk/00poprockelectronic/Digikid84 - French Attack!/12 Comme un printemps (Busy P Edit).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  224
                                           'genre'  electronic-unsorted;loc-asia-japan;loc-asia-japan-jrock;rock-cppex
                                        'filesize'  7192047
                                           'mtime'  1620737185
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Digikid84 12 Edit) electronic unsorted;loc asia japan;loc asia japan jrock;rock cppex
                                      'tag_artist'  Nil
                                     'tag_release'  French Attack!
                                       'tag_title'  Comme un printemps (Busy P Edi
                                             'bpm'  119.9
                                    'search_title'  'busy':4,5 'comme':1 'edi':7 'p':6 'printemps':3 'un':2
                                   'search_artist'  'nil':1
                                  'search_release'  'attack':2 'french':1
                                     'search_rest'  '00poprockelectronic':1 'asia':10 'cppex':20 'digikid84':2 'edit':3,4 'electronic':5 'japan':11,13,15 'jrock':16,18 'loc':7,9,12,14 'rock':17,19 'unsorted':6,8
                                    'search_combo'  '00poprockelectronic':11 'asia':20 'attack':10C 'busy':4A,5A 'comme':1A 'cppex':30 'digikid84':12 'edi':7A 'edit':13,14 'electronic':15 'french':9C 'japan':21,23,25 'jrock':26,28 'loc':17,19,22,24 'nil':8B 'p':6A 'printemps':3A 'rock':27,29 'un':2A 'unsorted':16,18
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['czech', 'fav', 'japanese', 'rock', 'progressive rock', 'j rock']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737185.2861664  (2021-05-11 14:46:25)
                             'size'  7192047