======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '120'
                                          'artist'  'UNIVAC'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Index JohnnyEQ'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-2', 'q-syn-3', 'q-bass-1', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', "
 "'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['noise', 'electronic', 'hip-hop', 'electro', 'underground hip-hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '128.986'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '128.986'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'Index JohnnyEQ'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'UNIVAC'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '143,177'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:Sortunder'                                    'u'
'TXXX:lastfmtags'                                   ['noise', 'electronic', 'hip-hop', 'electro', 'underground hip-hop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.94 dB'
'TXXX:replaygain_track_peak'                        '0.495005'

========================== row from database ==========================
                                              'id'  870509
                                            'path'  /data/Music/Bulk/sns/UNIVAC_Index_JohnnyEQ_0001.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  120
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  1935640
                                           'mtime'  1621044100
                                   'redo_metaread'  0
                                        'rest_str'   sns UNIVAC_Index_JohnnyEQ_0001 set pl shirleyspinoza;set pl mor
                                      'tag_artist'  UNIVAC
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Index JohnnyEQ
                                             'bpm'  128.986
                                    'search_title'  'eq':4 'index':1 'johnny':3 'johnnyeq':2
                                   'search_artist'  'univac':1
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  '0001':5,17 'eq':16 'index':3,14 'johnny':15 'johnnyeq':4 'mor':12 'pl':7 'set':6,9,11 'shirleyspinoza':8,10 'sns':1 'univac':2,13
                                    'search_combo'  '0001':12,24 'eq':4A,23 'index':1A,10,21 'johnny':3A,22 'johnnyeq':2A,11 'mor':19 'pl':14 'set':13,16,18 'shirley':6C 'shirleyspinoza':15,17 'sns':8 'spinoza':7C 'univac':5B,9,20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['noise', 'electronic', 'hip-hop', 'electro', 'underground hip-hop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621044099.9774814  (2021-05-15 04:01:39)
                             'size'  1935640