======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '172'
                                          'artist'  'Chris Kalogerson Ensemble'
                                     'text_people'  ''
                                         'release'  'Belly Dance!'
                                           'title'  'Velisaris'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['world', 'jazz', 'middle eastern', 'folk', 'greek']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1979'
                                        'comments'  ''
                                           'genre'  'loc-eur-greece;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '136.367'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Belly Dance!'
'TBPM' (BPM (beats per minute))                     '136.367'
'TCON' (Content type, a.k.a. Genre)                 ['loc-eur-greece', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1979'
'TIT2' (Title/songname/content description)         'Velisaris'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chris Kalogerson Ensemble'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['world', 'jazz', 'middle eastern', 'folk', 'greek']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.41 dB'
'TXXX:replaygain_track_peak'                        '0.574873'

========================== row from database ==========================
                                              'id'  1400791
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/51801 Chris Kalogerson Ensemble - Belly Dance!/14 Velisaris.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  172
                                           'genre'  loc-eur-greece;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  6506322
                                           'mtime'  1621627052
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 51801 14 loc eur greece;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Chris Kalogerson Ensemble
                                     'tag_release'  Belly Dance!
                                       'tag_title'  Velisaris
                                             'bpm'  136.367
                                    'search_title'  'velisaris':1
                                   'search_artist'  'chris':1 'ensemble':3 'kalogerson':2
                                  'search_release'  'belly':1 'dance':2
                                     'search_rest'  '00mid':1 '51801':4 'eur':6 'europe':3 'greece':7,9 'loc':5 'mor':16 'north':2 'pl':11 'set':8,10,13,15 'shirleyspinoza':12,14
                                    'search_combo'  '00mid':7 '51801':10 'belly':5C 'chris':2B 'dance':6C 'ensemble':4B 'eur':12 'europe':9 'greece':13,15 'kalogerson':3B 'loc':11 'mor':22 'north':8 'pl':17 'set':14,16,19,21 'shirleyspinoza':18,20 'velisaris':1A
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['world', 'jazz', 'middle eastern', 'folk', 'greek']
                                        'tag_date'  1979
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621627052.196726  (2021-05-21 21:57:32)
                             'size'  6506322