======================== unified (from filesystem) ========================
                                         'bitrate'  '230.197'
                                        'duration'  '124'
                                          'artist'  'Pennywise'
                                     'text_people'  ''
                                         'release'  'Live at the Key Club'
                                           'title'  "Can't Believe It"
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 "'q-mixbeat-1']")
                                      'lastfmtags'  "['political', 'punk rock', 'punk', 'hardcore', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '18'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '99'
                                             'key'  '8A'
                                        'acoustid'  'd9fed789-17d6-4300-b21a-94fed97102e9'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Live at the Key Club'
'TBPM' (BPM (beats per minute))                     '99'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-10-10'
'TIT2' (Title/songname/content description)         "Can't Believe It"
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Pennywise'
'TPE2' (Band/orchestra/accompaniment)               'Pennywise'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Epitaph'
'TRCK' (Track number/Position in set)               '5/18'
'TSO2'                                              'Pennywise'
'TSOP' (Performer sort order)                       'Pennywise'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:ASIN'                                         'B00004YU67'
'TXXX:Acoustid Id'                                  'd9fed789-17d6-4300-b21a-94fed97102e9'
'TXXX:Artists'                                      'Pennywise'
'TXXX:BARCODE'                                      '8714092659825'
'TXXX:CATALOGNUMBER'                                '6598-2'
'TXXX:DeviceConformanceTemplate'                    'L1'
'TXXX:IsVBR'                                        '0'
'TXXX:MusicBrainz Album Artist Id'                  '5c210861-2ce2-4be3-9307-bbcfc361cc01'
'TXXX:MusicBrainz Album Id'                         '2ab91542-013e-433f-931a-6e113a559c46'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/live'
'TXXX:MusicBrainz Artist Id'                        '5c210861-2ce2-4be3-9307-bbcfc361cc01'
'TXXX:MusicBrainz Release Group Id'                 '3cc921a9-a361-31f1-aaad-a486c0130eba'
'TXXX:MusicBrainz Release Track Id'                 'ccf5d414-7f08-3eb8-88e7-c7cf08fb2e1c'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:WM/EncodingTime'                              '18446744072568453760'
'TXXX:WM/MediaPrimaryClassID'                       '{D1607DBC-E323-4BE2-86A1-48A42A28441E}'
'TXXX:WM/Provider'                                  'AMG'
'TXXX:WM/ProviderRating'                            '3'
'TXXX:WM/ProviderStyle'                             'Rock'
'TXXX:WM/UniqueFileIdentifier'                      'AMGa_id=R   502954;AMGp_id=P    13925;AMGt_id=T  4191651'
'TXXX:WM/WMADRCAverageReference'                    '13265'
'TXXX:WM/WMADRCPeakReference'                       '32767'
'TXXX:WM/Year'                                      '2000'
'TXXX:WMFSDKNeeded'                                 '0.0.0.0000'
'TXXX:WMFSDKVersion'                                '10.00.00.3646'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['political', 'punk rock', 'punk', 'hardcore', 'rock']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.36 dB'
'TXXX:replaygain_track_peak'                        '0.357577'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'aa0c946f-f17e-405e-9018-b9b45cf59852')

========================== row from database ==========================
                                              'id'  1507823
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Pennywise/(2000) - Live At The Key Club/05. Pennywise - Can_t Believe It.wma.mp3
                                         'working'  None
                                         'bitrate'  230
                                    'duration_sec'  124
                                           'genre'  rock-gr-punk
                                        'filesize'  3717639
                                           'mtime'  1622659116
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner (2000) At The 05. Can_t It.wma rock gr punk
                                      'tag_artist'  Pennywise
                                     'tag_release'  Live at the Key Club
                                       'tag_title'  Can't Believe It
                                             'bpm'  99.0
                                    'search_title'  'believe':4 'can':1 'cant':3 'it':5 't':2
                                   'search_artist'  'pennywise':1
                                  'search_release'  'at':2 'club':5 'key':4 'live':1 'the':3
                                     'search_rest'  '05':9,10 '2000':5,6 'at':7 'can':11 'garage':2 'gr':17 'it':13 'itwma':15 'punk':1 'rock':16 'stoner':4 'surf':3 't':12 'the':8 'wma':14
                                    'search_combo'  '05':20,21 '2000':16,17 'at':8C,18 'believe':4A 'can':1A,22 'cant':3A 'club':11C 'garage':13 'gr':28 'it':5A,24 'itwma':26 'key':10C 'live':7C 'pennywise':6B 'punk':12 'rock':27 'stoner':15 'surf':14 't':2A,23 'the':9C,19 'wma':25
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['political', 'punk rock', 'punk', 'hardcore', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659115.8354251  (2021-06-02 20:38:35)
                             'size'  3717639