======================== unified (from filesystem) ========================
                                         'bitrate'  '263.601'
                                        'duration'  '134'
                                          'artist'  'Michael '
                                     'text_people'  ''
                                         'release'  'Amiga Remastered'
                                           'title'  'C64 Last Dragon [Remastered]'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-1', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-1', 'q-drums-2', 'q-other-2', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['emo', 'rac', 'rock', 'indie', 'podcast']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '133.6'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Amiga Remastered'
'TBPM' (BPM (beats per minute))                     '133.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDRC' (Recording time)                             '2014'
'TIT2' (Title/songname/content description)         'C64 Last Dragon [Remastered]'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Michael '
'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'                                   ['emo', 'rac', 'rock', 'indie', 'podcast']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.01 dB'
'TXXX:replaygain_track_peak'                        '0.688066'

========================== row from database ==========================
                                              'id'  1373214
                                            'path'  /data/Music/Bulk/00poprockelectronic/00beepy/4Mat - Amiga Music Remastered - Cracktro Classics/Michael  - C64 Last Dragon [Remastered] [Remastered].mp3
                                         'working'  None
                                         'bitrate'  263
                                    'duration_sec'  134
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  4435769
                                           'mtime'  1621627691
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00beepy 4Mat Music Cracktro Classics electronic we beeps or chip or pico
                                      'tag_artist'  Michael 
                                     'tag_release'  Amiga Remastered
                                       'tag_title'  C64 Last Dragon [Remastered]
                                             'bpm'  133.6
                                    'search_title'  'c64':1 'dragon':3 'last':2 'remastered':4,5
                                   'search_artist'  'michael':1
                                  'search_release'  'amiga':1 'remastered':2
                                     'search_rest'  '00beepy':2 '00poprockelectronic':1 '4mat':3 'beeps':9 'chip':11 'classics':6 'cracktro':5 'electronic':7 'music':4 'or':10 'pico':12 'we':8
                                    'search_combo'  '00beepy':10 '00poprockelectronic':9 '4mat':11 'amiga':7C 'beeps':17 'c64':1A 'chip':19 'classics':14 'cracktro':13 'dragon':3A 'electronic':15 'last':2A 'michael':6B 'music':12 'or':18 'pico':20 'remastered':4A,5A,8C 'we':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           '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-2', 'q-syn-4', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['emo', 'rac', 'rock', 'indie', 'podcast']
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627691.0497305  (2021-05-21 22:08:11)
                             'size'  4435769