======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '407'
                                          'artist'  'The Silverman'
                                     'text_people'  ''
                                         'release'  'Silvermandalas'
                                           'title'  'Silvermandala 2'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['experimental', 'ambient', 'industrial', 'avantgarde', 'avant-garde']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '109.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Silvermandalas'
'TBPM' (BPM (beats per minute))                     '109.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Silvermandala 2'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Silverman'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['experimental', 'ambient', 'industrial', 'avantgarde', 'avant-garde']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.59 dB'
'TXXX:replaygain_track_peak'                        '0.825666'

========================== row from database ==========================
                                              'id'  986320
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Epitonic ambient/The Silverman-Silvermandala 2.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  407
                                           'genre'  electronic-ambient
                                        'filesize'  6519974
                                           'mtime'  1636910399
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Epitonic ambient electronic ambient
                                      'tag_artist'  The Silverman
                                     'tag_release'  Silvermandalas
                                       'tag_title'  Silvermandala 2
                                             'bpm'  109.0
                                    'search_title'  '2':2 'silvermandala':1
                                   'search_artist'  'silverman':2 'the':1
                                  'search_release'  'silvermandalas':1
                                     'search_rest'  'ambient':2 'electronic':3 'epitonic':1
                                    'search_combo'  '2':2A 'ambient':7 'electronic':8 'epitonic':6 'silverman':4B 'silvermandala':1A 'silvermandalas':5C 'the':3B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['experimental', 'ambient', 'industrial', 'avantgarde', 'avant-garde']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910398.6993222  (2021-11-14 18:19:58)
                             'size'  6519974