======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '755'
                                          'artist'  'Celia Cruz'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Dance Ultimate Salsa Mega Mix (1)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['cuban', 'latin', 'cuba', 'female vocalists', 'spanish', 'salsa']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '139.948'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '139.948'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TIT2' (Title/songname/content description)         'Dance Ultimate Salsa Mega Mix (1)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Celia Cruz'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['cuban', 'latin', 'cuba', 'female vocalists', 'spanish', 'salsa']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.32 dB'
'TXXX:replaygain_track_peak'                        '0.502907'

========================== row from database ==========================
                                              'id'  1338979
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Celia Cruz__cifs3cf6.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  755
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  12086966
                                           'mtime'  1621696835
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Cruz__cifs3cf6 electronic th breakbeat or dnb or jungle
                                      'tag_artist'  Celia Cruz
                                     'tag_release'  None
                                       'tag_title'  Dance Ultimate Salsa Mega Mix (1)
                                             'bpm'  139.948
                                    'search_title'  '1':6,7 'dance':1 'mega':4 'mix':5 'salsa':3 'ultimate':2
                                   'search_artist'  'celia':1 'cruz':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'breakbeat':11 'cifs3cf6':8 'cruz':7 'dnb':13 'electronic':9 'files':5,6 'jungle':14 'loose':3,4 'or':12 'th':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 '1':6A,7A 'breakbeat':20 'celia':8B 'cifs3cf6':17 'cruz':9B,16 'dance':1A 'dnb':22 'electronic':18 'files':14,15 'jungle':23 'loose':12,13 'mega':4A 'mix':5A 'or':21 'salsa':3A 'th':19 'ultimate':2A 'unsorted':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['cuban', 'latin', 'cuba', 'female vocalists', 'spanish', 'salsa']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696834.505721  (2021-05-22 17:20:34)
                             'size'  12086966