======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '100'
                                          'artist'  'Big Blue Marble'
                                     'text_people'  ''
                                         'release'  'Big Blue Marble'
                                           'title'  'Big Blue Marble Theme'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-JZFKS-3', "
 "'Q-LOCALNESS-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['new orleans', 'louisiana']"
                                     'discogstags'  ('[\'pop\', \'soundtrack\', "children\'s", \'folk, world, & country\', \'stage '
 "& screen', 'rock', 'funk / soul']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '16'
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-movies;set-pl-mor'
                                             'bpm'  '135.004'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 0000026E 00000011 0000134A 00000052 00006278 0000FD29 000067B8 00001111 '
 '00013C53 00006CE0')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B64 0000000000439F8C 00000000 003D41A2 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'CF087B10+163035+16+150+7687+17075+25884+38209+43842+56017+68480+79341+90346+102669+109858+121929+135222+141511+155229'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '1'
'TALB' (Album/Movie/Show title)                     'Big Blue Marble'
'TBPM' (BPM (beats per minute))                     '135.004'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-video-movies', 'set-pl-mor']
'TDOR' (Original release time)                      '1974'
'TDRC' (Recording time)                             '1974'
'TENC' (Encoded by)                                 'iTunes 8.2.1.6'
'TIT2' (Title/songname/content description)         'Big Blue Marble Theme'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Big Blue Marble'
'TPE2' (Band/orchestra/accompaniment)               'Big Blue Marble'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'A&M Records'
'TRCK' (Track number/Position in set)               '1/16'
'TSO2'                                              'Big Blue Marble'
'TSOP' (Performer sort order)                       'Big Blue Marble'
'TXXX:ASIN'                                         'B0018HOECE'
'TXXX:Artists'                                      'Big Blue Marble'
'TXXX:CATALOGNUMBER'                                'SP-3401'
'TXXX:MusicBrainz Album Artist Id'                  '313dbf00-1cce-4364-9ec8-6bb59d872774'
'TXXX:MusicBrainz Album Id'                         '82c69e4e-35a4-40b2-8af7-b3d2434834c9'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/soundtrack'
'TXXX:MusicBrainz Artist Id'                        '313dbf00-1cce-4364-9ec8-6bb59d872774'
'TXXX:MusicBrainz Release Group Id'                 'd37ab02e-05b9-41e1-a537-6a3429653918'
'TXXX:MusicBrainz Release Track Id'                 '543c785e-6915-4248-84e0-0ca0e8593ce1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['pop',
 'soundtrack',
 "children's",
 'folk, world, & country',
 'stage & screen',
 'rock',
 'funk / soul']
'TXXX:lastfmtags'                                   ['new orleans', 'louisiana']
'TXXX:originalyear'                                 '1974'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.09 dB'
'TXXX:replaygain_track_peak'                        '0.956713'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6ca12c30-55f5-4608-b692-a8ae15a6dc68')

========================== row from database ==========================
                                              'id'  978287
                                            'path'  /data/Music/Bulk/0soundtrack/Big Blue Marble (vinyl rip)/01 Big Blue Marble Theme.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  100
                                           'genre'  soundtrack-video-movies;set-pl-mor
                                        'filesize'  4051878
                                           'mtime'  1644063219
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack (vinyl rip) 01 soundtrack video movies;set pl mor
                                      'tag_artist'  Big Blue Marble
                                     'tag_release'  Big Blue Marble
                                       'tag_title'  Big Blue Marble Theme
                                             'bpm'  135.004
                                    'search_title'  'big':1 'blue':2 'marble':3 'theme':4
                                   'search_artist'  'big':1 'blue':2 'marble':3
                                  'search_release'  'big':1 'blue':2 'marble':3
                                     'search_rest'  '0soundtrack':1 'mor':13 'movies':8,10 'pl':12 'rip':4,5 'set':9,11 'soundtrack':6 'video':7 'vinyl':2,3
                                    'search_combo'  '0soundtrack':11 'big':1A,5B,8C 'blue':2A,6B,9C 'marble':3A,7B,10C 'mor':23 'movies':18,20 'pl':22 'rip':14,15 'set':19,21 'soundtrack':16 'theme':4A 'video':17 'vinyl':12,13
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['new orleans', 'louisiana']
                                        'tag_date'  1974
                                     'discogstags'  ['pop', 'soundtrack', "children's", 'folk, world, & country', 'stage & screen', 'rock', 'funk / soul']

============================== file details ==============================
                                           'mtime'  1644063219.1173303  (2022-02-05 13:13:39)
                             'size'  4051878