======================== unified (from filesystem) ========================
                                         'bitrate'  '223.575'
                                        'duration'  '275'
                                          'artist'  'Maps and Diagrams'
                                     'text_people'  ''
                                         'release'  'Smeg'
                                           'title'  'Back to Mono'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'glitch', 'idm', 'ambient', 'deepspaceone', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '12'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '106.6'
                                             'key'  '11A'
                                        'acoustid'  '25c0869c-4a50-4357-9c6c-f90ecc3ec47d'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Smeg'
'TBPM' (BPM (beats per minute))                     '106.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-08-30'
'TIT2' (Title/songname/content description)         'Back to Mono'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Maps and Diagrams'
'TPE2' (Band/orchestra/accompaniment)               'Maps and Diagrams'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Cactus Island Recordings'
'TRCK' (Track number/Position in set)               '5/12'
'TSO2'                                              'Maps and Diagrams'
'TSOP' (Performer sort order)                       'Maps and Diagrams'
'TXXX:Acoustid Id'                                  '25c0869c-4a50-4357-9c6c-f90ecc3ec47d'
'TXXX:CATALOGNUMBER'                                'CACT 028'
'TXXX:DISCOGS_ARTIST_LINK'                          'Maps%20%26%20Diagrams'
'TXXX:DISCOGS_CATALOG'                              'CACT 028'
'TXXX:DISCOGS_COUNTRY'                              'UK'
'TXXX:DISCOGS_LABEL'                                'Cactus Island Recordings'
'TXXX:DISCOGS_LABEL_LINK'                           'Cactus%20Island%20Recordings'
'TXXX:DISCOGS_ORIGINAL_TRACK_NUMBER'                '05'
'TXXX:DISCOGS_RELEASED'                             '01 Sep 2008'
'TXXX:DISCOGS_RELEASE_ID'                           '1458043'
'TXXX:DISCOGS_RELEASE_MONTH'                        '09'
'TXXX:MusicBrainz Album Artist Id'                  '7441bccd-67f4-4294-90d9-f9fd1bb4a37e'
'TXXX:MusicBrainz Album Id'                         '861061e2-8fc8-47d4-871d-31fb206e5c21'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7441bccd-67f4-4294-90d9-f9fd1bb4a37e'
'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:SCRIPT'                                       'Latn'
'TXXX:STYLE'                                        'Leftfield/Abstract/IDM'
'TXXX:lastfmtags'                                   ['electronica', 'glitch', 'idm', 'ambient', 'deepspaceone', 'electronic']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.07 dB'
'TXXX:replaygain_track_peak'                        '1.005773'

========================== row from database ==========================
                                              'id'  1377539
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/[cact028] maps and diagrams - smeg (2008)/05 back to mono.mp3
                                         'working'  None
                                         'bitrate'  223
                                    'duration_sec'  275
                                           'genre'  electronic
                                        'filesize'  7698053
                                           'mtime'  1636913556
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer [cact028] maps diagrams smeg (2008) 05 back mono electronic
                                      'tag_artist'  Maps and Diagrams
                                     'tag_release'  Smeg
                                       'tag_title'  Back to Mono
                                             'bpm'  106.6
                                    'search_title'  'back':1 'mono':3 'to':2
                                   'search_artist'  'and':2 'diagrams':3 'maps':1
                                  'search_release'  'smeg':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '2008':8,9 'back':10 'cact028':3,4 'diagrams':6 'electronic':12 'maps':5 'mono':11 'smeg':7
                                    'search_combo'  '00calmer':9 '00poprockelectronic':8 '2008':15,16 'and':5B 'back':1A,17 'cact028':10,11 'diagrams':6B,13 'electronic':19 'maps':4B,12 'mono':3A,18 'smeg':7C,14 'to':2A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'glitch', 'idm', 'ambient', 'deepspaceone', 'electronic']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913556.0709774  (2021-11-14 19:12:36)
                             'size'  7698053