======================== unified (from filesystem) ========================
                                         'bitrate'  '235.888'
                                        'duration'  '68'
                                          'artist'  'Mixomatosis'
                                     'text_people'  ''
                                         'release'  '... Is Dead (GRINDPLATE05)'
                                           'title'  'Oven Chips (Scotch Ripoff)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['goregrind', 'grindcore', 'death metal', 'spanish']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '128.6'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '... Is Dead (GRINDPLATE05)'
'TBPM' (BPM (beats per minute))                     '128.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'LAME'
'TIT2' (Title/songname/content description)         'Oven Chips (Scotch Ripoff)'
'TKEY' (Initial key)                                '5A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Mixomatosis'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['goregrind', 'grindcore', 'death metal', 'spanish']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.32 dB'
'TXXX:replaygain_track_peak'                        '0.422519'

========================== row from database ==========================
                                              'id'  727550
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Mixomatosis-____Is_Dead-(GRINDPLATE05)-Vinyl-2007-DEF/a2-mixomatosis-oven_chips_(scotch_ripoff)-def.mp3
                                         'working'  None
                                         'bitrate'  236
                                    'duration_sec'  68
                                           'genre'  electronic-experimental
                                        'filesize'  2035910
                                           'mtime'  1636916939
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm ____Is_Dead Vinyl 2007 DEF a2 mixomatosis oven_chips_(scotch_ripoff) def electronic experimental
                                      'tag_artist'  Mixomatosis
                                     'tag_release'  ... Is Dead (GRINDPLATE05)
                                       'tag_title'  Oven Chips (Scotch Ripoff)
                                             'bpm'  128.6
                                    'search_title'  'chips':2 'oven':1 'ripoff':5,6 'scotch':3,4
                                   'search_artist'  'mixomatosis':1
                                  'search_release'  'dead':2 'grindplate05':3,4 'is':1
                                     'search_rest'  '2007':4 'a2':6 'chips':9,13 'dead':2 'def':5 'electronic':16 'experimental':17 'is':1 'mixomatosis':7 'oven':8,12 'ripoff':11,15 'scotch':10,14 'vinyl':3
                                    'search_combo'  '2007':15 'a2':17 'chips':2A,20,24 'dead':9C,13 'def':16 'electronic':27 'experimental':28 'grindplate05':10C,11C 'is':8C,12 'mixomatosis':7B,18 'oven':1A,19,23 'ripoff':5A,6A,22,26 'scotch':3A,4A,21,25 'vinyl':14
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           '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-4', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['goregrind', 'grindcore', 'death metal', 'spanish']
                                        'tag_date'  2007
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636916938.6975608  (2021-11-14 20:08:58)
                             'size'  2035910