======================== unified (from filesystem) ========================
                                         'bitrate'  '253.213'
                                        'duration'  '6'
                                          'artist'  'Mouse On Mars'
                                     'text_people'  ''
                                         'release'  'Varcharz'
                                           'title'  'Ret phase 4'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-4', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'idm', 'electronic', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '142.6'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000017FB 0000136E 0000A368 000078C0 00000AC8 00000AC8 00008000 00008000 '
 '00000284 00000284')
'TALB' (Album/Movie/Show title)                     'Varcharz'
'TBPM' (BPM (beats per minute))                     '142.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Ret phase 4'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mouse On Mars'
'TPE2' (Band/orchestra/accompaniment)               'Mouse On Mars'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '4'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.03 dB'
'TXXX:replaygain_track_peak'                        '0.310955'

========================== row from database ==========================
                                              'id'  305865
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Mouse On Mars/[2006] Varcharz/12 Ret phase 4.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  6
                                           'genre'  electronic-experimental
                                        'filesize'  271469
                                           'mtime'  1636916954
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [2006] 12 electronic experimental
                                      'tag_artist'  Mouse On Mars
                                     'tag_release'  Varcharz
                                       'tag_title'  Ret phase 4
                                             'bpm'  142.6
                                    'search_title'  '4':3 'phase':2 'ret':1
                                   'search_artist'  'mars':3 'mouse':1 'on':2
                                  'search_release'  'varcharz':1
                                     'search_rest'  '2006':1,2 'electronic':3 'experimental':4
                                    'search_combo'  '2006':8,9 '4':3A 'electronic':10 'experimental':11 'mars':6B 'mouse':4B 'on':5B 'phase':2A 'ret':1A 'varcharz':7C
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-4', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636916953.7283614  (2021-11-14 20:09:13)
                             'size'  271469