======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '302'
                                          'artist'  'John Tejada'
                                     'text_people'  ''
                                         'release'  'Epitonic Abstract'
                                           'title'  'Some Would Know Why'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['minimal techno', 'house', 'techno', 'electronic', 'minimal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '125.0'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Epitonic Abstract'
'TBPM' (BPM (beats per minute))                     '125.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TCOP' (Copyright message)                          'Plug Research'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Some Would Know Why'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'John Tejada'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Encoded with Cleaner 6'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['minimal techno', 'house', 'techno', 'electronic', 'minimal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.82 dB'
'TXXX:replaygain_track_peak'                        '0.683266'

========================== row from database ==========================
                                              'id'  985869
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Epitonic abstract/John Tejada-Some Would Know Why.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  302
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  4837651
                                           'mtime'  1620536835
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm abstract electronic th techno minimal or deephouse
                                      'tag_artist'  John Tejada
                                     'tag_release'  Epitonic Abstract
                                       'tag_title'  Some Would Know Why
                                             'bpm'  125.0
                                    'search_title'  'know':3 'some':1 'why':4 'would':2
                                   'search_artist'  'john':1 'tejada':2
                                  'search_release'  'abstract':2 'epitonic':1
                                     'search_rest'  'abstract':1 'deephouse':7 'electronic':2 'minimal':5 'or':6 'techno':4 'th':3
                                    'search_combo'  'abstract':8C,9 'deephouse':15 'electronic':10 'epitonic':7C 'john':5B 'know':3A 'minimal':13 'or':14 'some':1A 'techno':12 'tejada':6B 'th':11 'why':4A 'would':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['minimal techno', 'house', 'techno', 'electronic', 'minimal']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536834.7110746  (2021-05-09 07:07:14)
                             'size'  4837651