======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '260'
                                          'artist'  'Speedy J'
                                     'text_people'  ''
                                         'release'  'Loudboxer'
                                           'title'  'Sonof'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'techno', 'electronic', 'experimental', 'idm']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '140.044'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Loudboxer'
'TBPM' (BPM (beats per minute))                     '140.044'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Sonof'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Speedy J'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['electronica', 'techno', 'electronic', 'experimental', 'idm']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.16 dB'
'TXXX:replaygain_track_peak'                        '0.580656'

========================== row from database ==========================
                                              'id'  1268983
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Speedy J. - Speedy J/Loudboxer/speedy j - Loudboxer - 04 - sonof.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  260
                                           'genre'  electronic-th-techno
                                        'filesize'  8449407
                                           'mtime'  1620579631
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm J. speedy j 04 sonof electronic th techno
                                      'tag_artist'  Speedy J
                                     'tag_release'  Loudboxer
                                       'tag_title'  Sonof
                                             'bpm'  140.044
                                    'search_title'  'sonof':1
                                   'search_artist'  'j':2 'speedy':1
                                  'search_release'  'loudboxer':1
                                     'search_rest'  'electronic':5 'j':1,2 'sonof':4 'speedy':3 'techno':7 'th':6
                                    'search_combo'  'electronic':9 'j':3B,5,6 'loudboxer':4C 'sonof':1A,8 'speedy':2B,7 'techno':11 'th':10
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  3A
                                           '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-2', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'techno', 'electronic', 'experimental', 'idm']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620579631.3639133  (2021-05-09 19:00:31)
                             'size'  8449407