======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '116'
                                          'artist'  'Joe Goldstein'
                                     'text_people'  ''
                                         'release'  'EP'
                                           'title'  'Kismet Calypso'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '145.685'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '365 Days Project'
'COMM:ID3v1 Comment:XXX'                            '365 Days Project'
'TALB' (Album/Movie/Show title)                     'EP'
'TBPM' (BPM (beats per minute))                     '145.685'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1974'
'TIT2' (Title/songname/content description)         'Kismet Calypso'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Joe Goldstein'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.19 dB'
'TXXX:replaygain_track_peak'                        '0.828577'

========================== row from database ==========================
                                              'id'  1343759
                                            'path'  /data/Music/Bulk/00poprockelectronic/11/310_1_Joe_Goldstein_-_Kismet_Calypso.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  116
                                           'genre'  electronic-unsorted
                                        'filesize'  5338802
                                           'mtime'  1620565314
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 11 310_1_Joe_Goldstein_ _Kismet_Calypso electronic unsorted
                                      'tag_artist'  Joe Goldstein
                                     'tag_release'  EP
                                       'tag_title'  Kismet Calypso
                                             'bpm'  145.685
                                    'search_title'  'calypso':2 'kismet':1
                                   'search_artist'  'goldstein':2 'joe':1
                                  'search_release'  'ep':1
                                     'search_rest'  '00poprockelectronic':1 '1':3 '310':2 'calypso':7 'electronic':8 'goldstein':5 'joe':4 'kismet':6 'unsorted':9
                                    'search_combo'  '00poprockelectronic':6 '1':8 '310':7 'calypso':2A,12 'electronic':13 'ep':5C 'goldstein':4B,10 'joe':3B,9 'kismet':1A,11 'unsorted':14
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1974
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620565314.4132001  (2021-05-09 15:01:54)
                             'size'  5338802