======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '3612'
                                          'artist'  'Shirley & Spinoza'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'HeadphonerNTheNurse ClassicIsFantastic'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza'
                                             'bpm'  '143.112'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000269 000002A5 00006FEF 00'
'COMM:iTunNORM:eng'                                 (' 00000269 000002A5 00006FEF 00006FF0 000E303E 000E303E 0000728E 000072C6 '
 '0032CD68 0032CD1A')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000780 00000000097E8F70 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '143.112'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-shirleyspinoza'
'TIT2' (Title/songname/content description)         'HeadphonerNTheNurse ClassicIsFantastic'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shirley & Spinoza'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.25 dB'
'TXXX:replaygain_track_peak'                        '0.756566'

========================== row from database ==========================
                                              'id'  986619
                                            'path'  /data/Music/Bulk/sns/SNSarchive/HeadphonerNTheNurse_ClassicIsFantastic.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  3612
                                           'genre'  set-pl-shirleyspinoza
                                        'filesize'  86691759
                                           'mtime'  1678928738
                                   'redo_metaread'  0
                                        'rest_str'   sns SNSarchive HeadphonerNTheNurse_ClassicIsFantastic set pl shirleyspinoza
                                      'tag_artist'  Shirley & Spinoza
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  HeadphonerNTheNurse ClassicIsFantastic
                                             'bpm'  143.112
                                    'search_title'  'classic':6 'classicisfantastic':2 'fantastic':8 'headphoner':3 'headphonernthenurse':1 'is':7 'nthe':4 'nurse':5
                                   'search_artist'  'shirley':1 'spinoza':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'classic':11 'classicisfantastic':4 'fantastic':13 'headphoner':8 'headphonernthenurse':3 'is':12 'nthe':9 'nurse':10 'pl':6 'set':5 'shirleyspinoza':7 'sns':1 'snsarchive':2
                                    'search_combo'  'classic':6A,23 'classicisfantastic':2A,16 'fantastic':8A,25 'headphoner':3A,20 'headphonernthenurse':1A,15 'is':7A,24 'nthe':4A,21 'nurse':5A,22 'pl':18 'set':17 'shirley':9B,11C 'shirleyspinoza':19 'sns':13 'snsarchive':14 'spinoza':10B,12C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678928738.2151797  (2023-03-16 02:05:38)
                             'size'  86691759