======================== unified (from filesystem) ========================
                                         'bitrate'  '171.088'
                                        'duration'  '228'
                                          'artist'  'Le Lendemain'
                                     'text_people'  ''
                                         'release'  'Fires'
                                           'title'  'Petrichor'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'Q-PIANO-3', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['contemporary classical', 'neoclassical', 'piano', 'experimental', 'ambient']"
                                     'discogstags'  "['modern classical', 'electronic', 'classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '144.438'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'home n007'
'COMM:ID3v1 Comment:XXX'                            'home n007'
'TALB' (Album/Movie/Show title)                     'Fires'
'TBPM' (BPM (beats per minute))                     '144.438'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2009'
'TENC' (Encoded by)                                 'Lame 3.97'
'TIT2' (Title/songname/content description)         'Petrichor'
'TKEY' (Initial key)                                '9A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Le Lendemain'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['modern classical', 'electronic', 'classical']
'TXXX:lastfmtags'                                   ['contemporary classical', 'neoclassical', 'piano', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.84 dB'
'TXXX:replaygain_track_peak'                        '0.582253'

========================== row from database ==========================
                                              'id'  1357174
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/le lendemain-fires-(home normal 2009)/02-le_lendemain-petrichor.mp3
                                         'working'  None
                                         'bitrate'  171
                                    'duration_sec'  228
                                           'genre'  electronic-ambient
                                        'filesize'  4882132
                                           'mtime'  1636910905
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient le lendemain fires (home normal 2009) 02 le_lendemain petrichor electronic ambient
                                      'tag_artist'  Le Lendemain
                                     'tag_release'  Fires
                                       'tag_title'  Petrichor
                                             'bpm'  144.438
                                    'search_title'  'petrichor':1
                                   'search_artist'  'le':1 'lendemain':2
                                  'search_release'  'fires':1
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '2009':9,10 'ambient':15 'electronic':14 'fires':5 'home':6,7 'le':3,11 'lendemain':4,12 'normal':8 'petrichor':13
                                    'search_combo'  '00ambient':6 '00poprockelectronic':5 '2009':13,14 'ambient':19 'electronic':18 'fires':4C,9 'home':10,11 'le':2B,7,15 'lendemain':3B,8,16 'normal':12 'petrichor':1A,17
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['contemporary classical', 'neoclassical', 'piano', 'experimental', 'ambient']
                                        'tag_date'  2009
                                     'discogstags'  ['modern classical', 'electronic', 'classical']

============================== file details ==============================
                                           'mtime'  1636910905.4139576  (2021-11-14 18:28:25)
                             'size'  4882132