======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '469'
                                          'artist'  'Nkisi'
                                     'text_people'  ''
                                         'release'  '7 Directions'
                                           'title'  'I'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'q-syn-4', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-1', 'q-chart-2', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['techno', 'electronic', 'experimental', 'ambient', 'ambient techno']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '7'
                                            'date'  '2019'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '140.044'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'Cover'
                                     
'TALB' (Album/Movie/Show title)                     '7 Directions'
'TBPM' (BPM (beats per minute))                     '140.044'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2019'
'TIT2' (Title/songname/content description)         'I'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nkisi'
'TPE2' (Band/orchestra/accompaniment)               'Nkisi'
'TPUB' (Publisher)                                  'UIQ   '
'TRCK' (Track number/Position in set)               '1/7'
'TXXX:CATALOGNUMBER'                                'UIQLP002'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['techno', 'electronic', 'experimental', 'ambient', 'ambient techno']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.32 dB'
'TXXX:replaygain_track_peak'                        '0.552650'

========================== row from database ==========================
                                              'id'  1387644
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/01-nkisi-i-dc96defe.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  469
                                           'genre'  electronic-th-techno
                                        'filesize'  18840858
                                           'mtime'  1620572526
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 01 nkisi dc96defe electronic th techno
                                      'tag_artist'  Nkisi
                                     'tag_release'  7 Directions
                                       'tag_title'  I
                                             'bpm'  140.044
                                    'search_title'  'i':1
                                   'search_artist'  'nkisi':1
                                  'search_release'  '7':1 'directions':2
                                     'search_rest'  '00poprockelectronic':1 'dc96defe':8 'electronic':9 'files':5,6 'loose':3,4 'nkisi':7 'techno':11 'th':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':5 '7':3C 'dc96defe':12 'directions':4C 'electronic':13 'files':9,10 'i':1A 'loose':7,8 'nkisi':2B,11 'techno':15 'th':14 'unsorted':6
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['techno', 'electronic', 'experimental', 'ambient', 'ambient techno']
                                        'tag_date'  2019
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620572526.1507256  (2021-05-09 17:02:06)
                             'size'  18840858