======================== unified (from filesystem) ========================
                                         'bitrate'  '245.729'
                                        'duration'  '122'
                                          'artist'  'Roger Miller'
                                     'text_people'  ''
                                         'release'  "Dear Folks Sorry I Haven't Written Lately"
                                           'title'  "Shannon's Song"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
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                                      'lastfmtags'  "['classic country', 'oldies', '60s', 'country', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '10'
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '114.6'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Dear Folks Sorry I Haven't Written Lately"
'TBPM' (BPM (beats per minute))                     '114.6'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDOR' (Original release time)                      '1973'
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         "Shannon's Song"
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '122506'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Roger Miller'
'TPE2' (Band/orchestra/accompaniment)               'Roger Miller'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '9/10'
'TSO2'                                              'Miller, Roger'
'TSOP' (Performer sort order)                       'Miller, Roger'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98.4 (http://www.mp3dev.org/)'
'TXXX:MusicBrainz Album Artist Id'                  '102045e3-577c-4b10-b01b-424b7e461094'
'TXXX:MusicBrainz Album Id'                         'eb016b50-d727-47bc-a93c-c44038ff3b09'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '102045e3-577c-4b10-b01b-424b7e461094'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['classic country', 'oldies', '60s', 'country', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.47 dB'
'TXXX:replaygain_track_peak'                        '0.712417'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5593cc9e-5881-42e6-9ffd-342b35914091')

========================== row from database ==========================
                                              'id'  1525903
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Roger Miller 1973 Dear Folks, Sorry I Haven_t Written Lately V0/09 - Shannon_s Song.mp3
                                         'working'  None
                                         'bitrate'  245
                                    'duration_sec'  122
                                           'genre'  loc-namerica-country
                                        'filesize'  3766447
                                           'mtime'  1621628832
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1973 Folks, Haven_t V0 09 Shannon_s loc namerica country
                                      'tag_artist'  Roger Miller
                                     'tag_release'  Dear Folks Sorry I Haven't Written Lately
                                       'tag_title'  Shannon's Song
                                             'bpm'  114.6
                                    'search_title'  's':2 'shannon':1 'shannons':3 'song':4
                                   'search_artist'  'miller':2 'roger':1
                                  'search_release'  'dear':1 'folks':2 'haven':5 'havent':7 'i':4 'lately':9 'sorry':3 't':6 'written':8
                                     'search_rest'  '1973':1 'country':11 'folks':2,3 'haven':4 'loc':9 'namerica':10 's':8 'shannon':7 't':5 'v0':6
                                    'search_combo'  '1973':16 'country':26 'dear':7C 'folks':8C,17,18 'haven':11C,19 'havent':13C 'i':10C 'lately':15C 'loc':24 'miller':6B 'namerica':25 'roger':5B 's':2A,23 'shannon':1A,22 'shannons':3A 'song':4A 'sorry':9C 't':12C,20 'v0':21 'written':14C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['classic country', 'oldies', '60s', 'country', 'folk', 'singer songwriter']
                                        'tag_date'  1973
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628831.7906766  (2021-05-21 22:27:11)
                             'size'  3766447