======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '159'
                                          'artist'  'The Untouchables'
                                     'text_people'  'Perry, Hugh Rainford'
                                         'release'  'This Is Reggae Music: The Golden Era 1960 to 1975'
                                           'title'  'Tighten Up'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ska', 'reggae', 'hardcore punk', 'hardcore', 'punk']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '22'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '84.2'
                                             'key'  '8B'
                                        'acoustid'  '4a8e4ae7-80b3-4b86-90c5-6fa68c36fbe4'
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'This Is Reggae Music: The Golden Era 1960 to 1975'
'TBPM' (BPM (beats per minute))                     '84.2'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'Perry, Hugh Rainford'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Tighten Up'
'TKEY' (Initial key)                                '8B'
'TLEN' (Length)                                     '159240'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Untouchables'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/4'
'TPUB' (Publisher)                                  'Trojan Records/Sanctuary Records'
'TRCK' (Track number/Position in set)               '7/22'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Untouchables, The'
'TSRC' (ISRC (international standard recording code))  'GBAJE6800309'
'TSST' (Set subtitle)                               'Do the Reggay: Rocksteady to Reggae, 1968-1970'
'TXXX:ASIN'                                         'B00064LOV4'
'TXXX:Acoustid Id'                                  '4a8e4ae7-80b3-4b86-90c5-6fa68c36fbe4'
'TXXX:Artists'                                      'The Untouchables'
'TXXX:BARCODE'                                      '060768047020'
'TXXX:CATALOGNUMBER'                                '06076-80470-2'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '54445a86-3543-4d79-bebe-d586bf68b64c'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '2b0e6d89-8e29-4ba7-891b-dae373432508'
'TXXX:MusicBrainz Release Group Id'                 '77fc4c29-50ca-3155-93db-a776de5b85f7'
'TXXX:MusicBrainz Release Track Id'                 'c568035f-f0de-3083-868e-527448387185'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['ska', 'reggae', 'hardcore punk', 'hardcore', 'punk']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.46 dB'
'TXXX:replaygain_track_peak'                        '0.395023'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6df2d393-6be8-4c7a-a571-4a6c1cc143d0')

========================== row from database ==========================
                                              'id'  1385371
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/This Is Reggae Music- The Golden Era 1960-1975 Disc 2/07 The Untouchables_This Is Reggae Music- The Golden Era 1960-1975 Disc 2_07_Tighten Up.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  159
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  6367788
                                           'mtime'  1620522526
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub Disc 2 07 Untouchables_This Disc 2_07_Tighten loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  The Untouchables
                                     'tag_release'  This Is Reggae Music: The Golden Era 1960 to 1975
                                       'tag_title'  Tighten Up
                                             'bpm'  84.2
                                    'search_title'  'tighten':1 'up':2
                                   'search_artist'  'the':1 'untouchables':2
                                  'search_release'  '1960':9 '1975':11 'era':8 'golden':7 'is':2 'music':4,5 'reggae':3 'the':6 'this':1 'to':10
                                     'search_rest'  '00reggae':1 '07':8 '2':4,7 'and':17 'dancehall':15 'disc':3 'dub':2 'loc':10 'or':13 'reggae':12 'roots':16 'ska':14 'style':11 'this':6 'tighten':9 'untouchables':5
                                    'search_combo'  '00reggae':16 '07':23 '1960':13C '1975':15C '2':19,22 'and':32 'dancehall':30 'disc':18 'dub':17 'era':12C 'golden':11C 'is':6C 'loc':25 'music':8C,9C 'or':28 'reggae':7C,27 'roots':31 'ska':29 'style':26 'the':3B,10C 'this':5C,21 'tighten':1A,24 'to':14C 'untouchables':4B,20 'up':2A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ska', 'reggae', 'hardcore punk', 'hardcore', 'punk']
                                        'tag_date'  1970
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1620522526.045951  (2021-05-09 03:08:46)
                             'size'  6367788