======================== unified (from filesystem) ========================
                                         'bitrate'  '240.718'
                                        'duration'  '146'
                                          'artist'  '4Mat'
                                     'text_people'  ''
                                         'release'  'Amiga Remastered'
                                           'title'  'Menu Loader [Remastered]'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', '8 bit', 'chiptune', '8bit', 'demoscene']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '124.9'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Amiga Remastered'
'TBPM' (BPM (beats per minute))                     '124.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDRC' (Recording time)                             '2014'
'TIT2' (Title/songname/content description)         'Menu Loader [Remastered]'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               '4Mat'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:PERFORMER'                                    'Remastered by Cryton in 2014'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronic', '8 bit', 'chiptune', '8bit', 'demoscene']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.00 dB'
'TXXX:replaygain_track_peak'                        '0.585701'

========================== row from database ==========================
                                              'id'  1371711
                                            'path'  /data/Music/Bulk/00poprockelectronic/00beepy/4Mat - Amiga Music Remastered - Cracktro Classics/4Mat - Menu Loader [Remastered] [Remastered].mp3
                                         'working'  None
                                         'bitrate'  240
                                    'duration_sec'  146
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  4397657
                                           'mtime'  1621627625
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00beepy Music Cracktro Classics electronic we beeps or chip or pico
                                      'tag_artist'  4Mat
                                     'tag_release'  Amiga Remastered
                                       'tag_title'  Menu Loader [Remastered]
                                             'bpm'  124.9
                                    'search_title'  'loader':2 'menu':1 'remastered':3,4
                                   'search_artist'  '4mat':1
                                  'search_release'  'amiga':1 'remastered':2
                                     'search_rest'  '00beepy':2 '00poprockelectronic':1 'beeps':8 'chip':10 'classics':5 'cracktro':4 'electronic':6 'music':3 'or':9 'pico':11 'we':7
                                    'search_combo'  '00beepy':9 '00poprockelectronic':8 '4mat':5B 'amiga':6C 'beeps':15 'chip':17 'classics':12 'cracktro':11 'electronic':13 'loader':2A 'menu':1A 'music':10 'or':16 'pico':18 'remastered':3A,4A,7C 'we':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['electronic', '8 bit', 'chiptune', '8bit', 'demoscene']
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627625.3211432  (2021-05-21 22:07:05)
                             'size'  4397657