======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '174'
                                          'artist'  'recorded & edited by s&S'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Naxi Orchestra Remix'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '136.551'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '136.551'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'Naxi Orchestra Remix'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'recorded & edited by s&S'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'N2MP3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.26 dB'
'TXXX:replaygain_track_peak'                        '0.430135'

========================== row from database ==========================
                                              'id'  986582
                                            'path'  /data/Music/Bulk/sns/SNSarchive/SBQ2_RunAndCry/28_Naxi Orchestra Remix.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  174
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  4208297
                                           'mtime'  1621489021
                                   'redo_metaread'  0
                                        'rest_str'   sns SNSarchive SBQ2_RunAndCry 28_Naxi set pl shirleyspinoza;set pl mor
                                      'tag_artist'  recorded & edited by s&S
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Naxi Orchestra Remix
                                             'bpm'  136.551
                                    'search_title'  'naxi':1 'orchestra':2 'remix':3
                                   'search_artist'  'by':3 'edited':2 'recorded':1 's':4,5 'ss':6
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  '28':5 'and':16 'cry':17 'mor':13 'naxi':6 'pl':8 'run':15 'runandcry':4 'sbq2':3,14 'set':7,10,12 'shirleyspinoza':9,11 'sns':1 'snsarchive':2
                                    'search_combo'  '28':16 'and':27 'by':6B 'cry':28 'edited':5B 'mor':24 'naxi':1A,17 'orchestra':2A 'pl':19 'recorded':4B 'remix':3A 'run':26 'runandcry':15 's':7B,8B 'sbq2':14,25 'set':18,21,23 'shirley':10C 'shirleyspinoza':20,22 'sns':12 'snsarchive':13 'spinoza':11C 'ss':9B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621489020.563458  (2021-05-20 07:37:00)
                             'size'  4208297