======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '3619'
                                          'artist'  'RSMIX005'
                                     'text_people'  ''
                                         'release'  'R&S Mixes'
                                           'title'  'Alex Smoke'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', "
 "'q-vocals-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '96.0'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000466 000003F4 0000E1FB 0000675E 00194A2F 00195605 00007FFF 00007FFF '
 '00093ADB 0008AA29')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000983 000000000983826D 00000000 08A0FE09 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'R&S Mixes'
'TBPM' (BPM (beats per minute))                     '96.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2015'
'TENC' (Encoded by)                                 'iTunes 11.1.3'
'TIT2' (Title/songname/content description)         'Alex Smoke'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'RSMIX005'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:other'                                        '157976263'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.96 dB'
'TXXX:replaygain_track_peak'                        '0.502845'

========================== row from database ==========================
                                              'id'  940542
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/soundcloud/alexsmoke/RSMIX005 - Alex Smoke-157976263.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  3619
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  145249798
                                           'mtime'  1621084968
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm soundcloud alexsmoke 157976263 electronic th techno minimal or deephouse
                                      'tag_artist'  RSMIX005
                                     'tag_release'  R&S Mixes
                                       'tag_title'  Alex Smoke
                                             'bpm'  96.0
                                    'search_title'  'alex':1 'smoke':2
                                   'search_artist'  'rsmix005':1
                                  'search_release'  'mixes':4 'r':1 'rs':3 's':2
                                     'search_rest'  '157976263':3 'alexsmoke':2 'deephouse':9 'electronic':4 'minimal':7 'or':8 'soundcloud':1 'techno':6 'th':5
                                    'search_combo'  '157976263':10 'alex':1A 'alexsmoke':9 'deephouse':16 'electronic':11 'minimal':14 'mixes':7C 'or':15 'r':4C 'rs':6C 'rsmix005':3B 's':5C 'smoke':2A 'soundcloud':8 'techno':13 'th':12
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-4', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621084968.4178534  (2021-05-15 15:22:48)
                             'size'  145249798