======================== unified (from filesystem) ========================
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                                        'duration'  '309'
                                          'artist'  '101 Strings Orchestra'
                                     'text_people'  ''
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                                           'title'  'Too-Ra-Loo-Ra-Loo-Ral'
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                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '10'
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '135.1'
                                             'key'  '10A'
                                        'acoustid'  '9e133805-4747-4dc0-8c57-8ca32fe4022e'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '135.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDOR' (Original release time)                      '1978'
'TDRC' (Recording time)                             '1978'
'TIT2' (Title/songname/content description)         'Too-Ra-Loo-Ra-Loo-Ral'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '309546'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings Orchestra'
'TPE2' (Band/orchestra/accompaniment)               '101 Strings Orchestra'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Alshire Records'
'TRCK' (Track number/Position in set)               '2/10'
'TSO2'                                              '101 Strings'
'TSOP' (Performer sort order)                       '101 Strings'
'TXXX:Acoustid Id'                                  '9e133805-4747-4dc0-8c57-8ca32fe4022e'
'TXXX:Artists'                                      '101 Strings Orchestra'
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'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
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'TXXX:lastfmtags'                                   ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
'TXXX:originalyear'                                 '1978'
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'TXXX:q-drums'                                      '1'
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'TXXX:replaygain_track_gain'                        '+1.57 dB'
'TXXX:replaygain_track_peak'                        '0.593561'
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========================== row from database ==========================
                                              'id'  1479111
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1978 - 101 Strings Play a Tribute to Bing Crosby/02 - Too-Ra-Loo-Ra-Loo-Ral.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  309
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  7421200
                                           'mtime'  1621705541
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The 1978 02 electronic generic or radio easy listening
                                      'tag_artist'  101 Strings Orchestra
                                     'tag_release'  Play a Tribute to Bing Crosby
                                       'tag_title'  Too-Ra-Loo-Ra-Loo-Ral
                                             'bpm'  135.1
                                    'search_title'  'loo':3,5 'ra':2,4 'ral':6 'too':1 'tooralooralooral':7
                                   'search_artist'  '101':1 'orchestra':3 'strings':2
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                                     'search_rest'  '1978':6 'country':4 'easy':11 'electronic':7 'exotica':2 'generic':8 'jazz':1 'listening':12 'oldies':3 'or':9 'radio':10 'the':5
                                    'search_combo'  '101':8B '1978':22 'a':12C 'bing':15C 'country':20 'crosby':16C 'easy':27 'electronic':23 'exotica':18 'generic':24 'jazz':17 'listening':28 'loo':3A,5A 'oldies':19 'or':25 'orchestra':10B 'play':11C 'ra':2A,4A 'radio':26 'ral':6A 'strings':9B 'the':21 'to':14C 'too':1A 'tooralooralooral':7A 'tribute':13C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'q-play-2', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'q-bass-1']
                                      'lastfmtags'  ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
                                        'tag_date'  1978
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705540.8879023  (2021-05-22 19:45:40)
                             'size'  7421200