======================== unified (from filesystem) ========================
                                         'bitrate'  '169.665'
                                        'duration'  '251'
                                          'artist'  "T'Pau"
                                     'text_people'  ''
                                         'release'  'Hits of the 80s'
                                           'title'  'Heart and Soul'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'female vocalists', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '18'
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-billboard'
                                             'bpm'  '90.2'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Hits of the 80s'
'TBPM' (BPM (beats per minute))                     '90.2'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1985'
'TDRL' (Release time)                               '1998-11-16'
'TIT2' (Title/songname/content description)         'Heart and Soul'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               "T'Pau"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '3/18'
'TSOP' (Performer sort order)                       "T'Pau"
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicBrainz Album Artist'                     'Various Artists'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Artist Sortname'            'Various Artists'
'TXXX:MusicBrainz Album Id'                         '86e18529-bbe0-4c1d-9c15-01d8a4b14d08'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '63721b20-b058-4176-a057-50dcd8044af6'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicIP PUID'                                 '5cd56989-c38d-4873-cafa-c24ca8abc805'
'TXXX:MusicMagic Data'                              'AgEBoYGHs6qYCrH1gnnhehvXgAGCjIOe1euVzEFAhOENTtB2gvPcBKxwxGSs77qahEGAAQudiwEqnMd0gJm10fSJAzqvxdnggAKAAZ00l8KvCoJ7FCVC9Ic1gfyEhN9kmGI/spGnBEOssYae6aqxSchM1N+5HoJlhUTwWJK0A3/IM4IMu8DyZPmArMvH58BshO0='
'TXXX:MusicMagic Fingerprint'                       'AQ5vP30npTX9K0Ul+BwwFp4OXwo6F4sLMwakESoIlw+QCRsJbAZpCa8WMwumCEIHvwefBfwHMwVtBYgFLgS+A2IDTgL/AtAC3wKsAm8CYAJH8wmU+gC6HComGRnvFQkO8Am8B6cOEgb+BNIIeQc/CvIH9gT8BZMFOgx0BnMGCgTLA8sDYwQ/AwIC9gMzAuwCRgHbAdAB3AGUAbEBUQFAATEHuPSkUM2oxvfVHo/35w0L/w8K9w29BTT+dgKpAxgJMQGeAyEFY/x6BlsGNgJBB1UHIQQMByEEtgPoA6AEHADqAL4AiQBkACT/7/+v/+oAH+rS98QL+ybGkjgYBwXrECX2tvx2DskHWgJfDNMEwA/FBU8B6QSTB1sOtgR0AsgCPQVVAccDxwOIA6QDSALDAiACUgITAisB8QJZAb4BUgFAAznvp0xwOMMGAPLnysrfmvNQ91j9dvR/+l7oTu8Q60fzQvIM+Y/1AfG987z5Dve7+Y/5PPdc+jL59fuQ/cX99/6i/fj9sv8c/qD/ZP+a/1f3XgZw7o77jQGJZucUsusQ9iTvKfPQ9gb8DuYZ7u3o0PHx7xT1mvkX5ubx5fc78eX0l/mn85v3RPh8+If5KPx0/Qf9fP7M/vv+cf85/xv/bwjeBBXYxgB5B4MpZpjA+6oGoAudDs0IfQA5A2sGuRVpD94OYgka/xMJ1AzsBGAISgwhBIgImwcmBooGEQUjAokCrgE6AFABKAFVAPQAugCLPyAbDw=='
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'female vocalists', 'pop', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.46 dB'
'TXXX:replaygain_track_peak'                        '0.496316'

========================== row from database ==========================
                                              'id'  1524480
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hits Of The 80_s/Heart and Soul.mp3
                                         'working'  None
                                         'bitrate'  169
                                    'duration_sec'  251
                                           'genre'  electronic-generic or radio-unsorted;set-pl-billboard
                                        'filesize'  5339435
                                           'mtime'  1620385267
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of The 80_s electronic generic or radio unsorted;set pl billboard
                                      'tag_artist'  T'Pau
                                     'tag_release'  Hits of the 80s
                                       'tag_title'  Heart and Soul
                                             'bpm'  90.2
                                    'search_title'  'and':2 'heart':1 'soul':3
                                   'search_artist'  'pau':2 't':1 'tpau':3
                                  'search_release'  '80s':4 'hits':1 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '80':4 'billboard':15 'electronic':6 'generic':7 'of':2 'or':8 'pl':14 'radio':9 's':5 'set':11,13 'the':3 'unsorted':10,12
                                    'search_combo'  '00poprockelectronic':11 '80':14 '80s':10C 'and':2A 'billboard':25 'electronic':16 'generic':17 'heart':1A 'hits':7C 'of':8C,12 'or':18 'pau':5B 'pl':24 'radio':19 's':15 'set':21,23 'soul':3A 't':4B 'the':9C,13 'tpau':6B 'unsorted':20,22
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'female vocalists', 'pop', 'rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385267.032686  (2021-05-07 13:01:07)
                             'size'  5339435