======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '173'
                                          'artist'  'petr & pavel orm'
                                     'text_people'  ''
                                         'release'  'Discofil 1979'
                                           'title'  'winding off the tape'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['czech', 'electronic', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1979'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '100.906'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Discofil 1979'
'TBPM' (BPM (beats per minute))                     '100.906'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1979'
'TIT2' (Title/songname/content description)         'winding off the tape'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'petr & pavel orm'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['czech', 'electronic', 'disco']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.17 dB'
'TXXX:replaygain_track_peak'                        '0.691228'

========================== row from database ==========================
                                              'id'  1354996
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/petr & pavel orm - discofil 1979/02 - winding off the tape.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  173
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  6922822
                                           'mtime'  1620537263
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo discofil 02 electronic we disco italo
                                      'tag_artist'  petr & pavel orm
                                     'tag_release'  Discofil 1979
                                       'tag_title'  winding off the tape
                                             'bpm'  100.906
                                    'search_title'  'off':2 'tape':4 'the':3 'winding':1
                                   'search_artist'  'orm':3 'pavel':2 'petr':1
                                  'search_release'  '1979':2 'discofil':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 'disco':3 'discofil':6 'electronic':7 'italo':5 'waves':2 'we':8
                                    'search_combo'  '00disco':13 '00poprockelectronic':10 '1979':9C 'disco':12 'discofil':8C,15 'electronic':16 'italo':14 'off':2A 'orm':7B 'pavel':6B 'petr':5B 'tape':4A 'the':3A 'waves':11 'we':17 'winding':1A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['czech', 'electronic', 'disco']
                                        'tag_date'  1979
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537263.4897275  (2021-05-09 07:14:23)
                             'size'  6922822